Washington County, MO Weather Forecast & Current Conditions

Day: Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 106.

Night: Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100 early in the evening.

Day: Mostly sunny. Hot with highs in the mid 90s. South winds around 5 mph. Heat index values up to 105.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 100 early in the evening.

Day: Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph. Heat index values up to 104.

Night: Mostly clear. Lows around 70. Highs in the mid 90s. Heat index values up to 100.

Day: Mostly clear. Lows around 70. Highs in the mid 90s. Heat index values up to 100.

Day: Mostly clear. Lows around 70. Highs in the mid 90s. Heat index values up to 100.

Night: Partly cloudy. Lows in the upper 60s.

Day: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 30 percent.

Day: Mostly sunny. Hot with highs in the upper 90s. South winds 5 to 10 mph with gusts up to 20 mph, becoming southwest this afternoon.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent.

Day: Mostly sunny. Hot with highs in the mid 90s. South winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly clear. Humid with lows around 70. South winds around 5 mph.

Day: Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the upper 60s.

Night: Mostly clear. Hot. Highs in the mid 90s. Lows in the upper 60s.

Day: Mostly sunny. Hot with highs in the lower 90s.

Night: Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent.

Day: Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Warmer with highs in the upper 90s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 50 percent. Heat index values up to 102 early in the evening.

Day: Partly sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Southeast winds around 5 mph, becoming south around 5 mph in the afternoon. Chance of rain 20 percent. Heat index values up to 109.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 104 early in the evening.

Day: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Heat index values up to 107.

Night: Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 105.

Night: Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 105.

Day: Mostly sunny. Highs in the mid 90s.

Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Lows in the lower 60s. Chance of rain 30 percent.

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. South winds 5 to 10 mph with gusts up to 20 mph, becoming southwest this afternoon. Chance of rain 20 percent.

Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows in the lower 70s. East winds around 5 mph. Chance of rain 50 percent.

Day: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. South winds around 5 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then clearing. Humid with lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph, becoming west in the afternoon.

Night: Mostly clear. Hot. Lows around 70. Highs in the mid 90s.

Night: Mostly clear. Hot. Lows around 70. Highs in the mid 90s.

Day: Mostly sunny. Hot with highs in the lower 90s.

Night: Partly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Lows around 60. Chance of rain 40 percent.

Day: Sunny. A chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 106.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 50 percent.

Day: Mostly sunny. A chance of thunderstorms with a slight chance of showers in the afternoon. Hot with highs in the mid 90s. Southeast winds around 5 mph, becoming south in the afternoon. Chance of rain 40 percent. Heat index values up to 106.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 101 early in the evening.

Day: Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph, becoming northwest in the afternoon. Heat index values up to 105.

Night: Mostly clear. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100.

Night: Mostly clear. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 100.

Day: Mostly sunny. Highs in the lower 90s.

Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 80s. Lows around 60. Chance of rain 40 percent.

Day: Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 109.

Night: Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of rain 40 percent. Heat index values up to 102 early in the evening.

Day: Mostly sunny. Hot with highs in the mid 90s. South winds around 5 mph. Heat index values up to 107.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 104 early in the evening.

Day: Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon. Heat index values up to 105.

Night: Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 100.

Day: Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 100.

Day: Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 100.

Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent.

Night: Partly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Lows in the lower 60s. Chance of rain 30 percent.

Day: Sunny after midnight, then becoming mostly sunny. A chance of showers with a slight chance of thunderstorms this afternoon. Hot with highs in the upper 90s. South winds around 10 mph with gusts up to 20 mph, becoming southwest this afternoon. Chance of rain 50 percent.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Humid with lows in the lower 70s. East winds around 5 mph. Chance of rain 50 percent.

Day: Partly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Hot with highs in the mid 90s. South winds around 5 mph. Chance of rain 40 percent.

Night: Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph, becoming northwest in the afternoon.

Night: Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s.

Night: Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s.

Day: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of rain 20 percent.

Night: Partly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 40 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 40 percent.

Day: Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Highest heat index readings heat index readings up to 105 this afternoon.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph.

Day: Mostly sunny. Hot with highs in the mid 90s. South winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the mid 90s. West winds around 5 mph.

Night: Mostly clear. Lows in the lower 70s. Highs in the mid 90s.

Day: Mostly clear. Lows in the lower 70s. Highs in the mid 90s.

Day: Mostly clear. Lows in the lower 70s. Highs in the mid 90s.

Night: Partly cloudy. Lows in the upper 60s.

Night: Partly cloudy. A chance of showers. Highs in the mid 80s. Lows in the lower 60s. Chance of rain 30 percent.

Day: Mostly sunny. Hot with highs in the upper 90s. Light and variable winds, becoming south around 5 mph. Heat index values up to 108.

Night: Mostly clear. Humid with lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable.

Day: Sunny, hot with highs in the upper 90s. South winds around 5 mph.

Night: Mostly clear. Humid with lows around 70. South winds around 5 mph in the evening, becoming light and variable.

Day: Sunny, hot with highs in the upper 90s. Light and variable winds, becoming southwest around 5 mph in the afternoon.

Night: Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s.

Day: Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s.

Day: Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s.

Night: Partly cloudy. Lows in the mid 60s.

Day: Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 40 percent.

Day: Sunny. A chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 105.

Night: Mostly cloudy. Showers and thunderstorms likely, mainly in the evening. Lows in the lower 70s. East winds around 5 mph. Chance of rain 70 percent.

Day: Mostly sunny with a chance of thunderstorms. A chance of showers, mainly in the morning. Hot with highs in the mid 90s. East winds around 5 mph, becoming south in the afternoon. Chance of rain 40 percent. Heat index values up to 105 in the afternoon.

Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 101 early in the evening.

Day: Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Heat index values up to 104.

Night: Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 100.

Night: Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 100.

Day: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.

Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms. Highs around 80. Lows in the lower 60s. Chance of rain 40 percent.

Day: Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable.

Day: Sunny, hot with highs in the upper 90s. South winds around 5 mph.

Night: Mostly clear. Lows around 70. South winds around 5 mph in the evening, becoming light and variable.

Day: Sunny, hot with highs in the upper 90s. Calm winds, becoming southwest around 5 mph in the afternoon.

Night: Mostly clear. Hot. Lows in the upper 60s. Highs in the mid 90s.

Day: Mostly clear. Hot. Lows in the upper 60s. Highs in the mid 90s.

Day: Mostly clear. Hot. Lows in the upper 60s. Highs in the mid 90s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.

Night: Partly cloudy. A chance of showers. Highs in the upper 80s. Lows in the lower 60s. Chance of rain 30 percent.

Day: Mostly sunny. Hot with highs in the upper 90s. South winds 5 to 10 mph.

Night: Mostly clear. Humid with lows in the lower 70s. Southeast winds around 5 mph.

Day: Mostly sunny. Hot with highs in the upper 90s. South winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then clearing. Lows around 70.

Day: Mostly clear. Hot. Highs in the mid 90s. Lows in the upper 60s.

Day: Mostly clear. Hot. Highs in the mid 90s. Lows in the upper 60s.

Night: Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent.

Day: Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 40 percent.

Day: Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the mid 90s. South winds around 5 mph.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph.

Night: Mostly clear. Lows around 70. Highs in the mid 90s.

Day: Mostly clear. Lows around 70. Highs in the mid 90s.

Night: Mostly clear. Lows around 70. Highs in the mid 90s.

Night: Partly cloudy. A chance of showers. Highs in the mid 80s. Lows in the lower 60s. Chance of rain 30 percent.

Day: Sunny. A chance of showers and thunderstorms this afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent. Heat index values up to 105.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Lows in the upper 60s. East winds around 5 mph, becoming northeast around 5 mph after midnight. Chance of rain 60 percent.

Day: Mostly cloudy with a chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Humid with highs in the lower 90s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 105 in the afternoon.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 102 early in the evening.

Day: Sunny. Highs in the lower 90s. West winds around 5 mph. Heat index values up to 105.

Night: Mostly clear. Lows around 70. Highs in the lower 90s. Heat index values up to 100.

Night: Partly cloudy in the evening, then becoming mostly clear. Lows around 70.

Day: Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Highs around 80. Chance of rain 50 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows around 60. Chance of rain 20 percent.

Day: Sunny. A chance of showers and thunderstorms this afternoon. Warmer with highs in the upper 90s. South winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 108.

Night: Partly cloudy with showers and thunderstorms likely in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 70 percent. Heat index values up to 104 early in the evening.

Day: Partly sunny. A chance of showers and thunderstorms in the morning. Hot with highs in the mid 90s. East winds around 5 mph, becoming south in the afternoon. Chance of rain 40 percent. Heat index values up to 107.

Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 103 early in the evening.

Day: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Heat index values up to 106.

Night: Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 100.

Night: Mostly clear. Lows in the lower 70s. Highs in the mid 90s. Heat index values up to 100.

Day: Mostly sunny. Highs in the mid 90s.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30 percent.

Day: Partly sunny with a chance of showers and thunderstorms. Cooler with highs in the mid 80s. Chance of rain 40 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 20 percent.

Day: Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Highest heat index readings heat index readings up to 105 this afternoon.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph.

Night: Mostly clear. Lows around 70. Highs in the mid 90s.

Day: Mostly clear. Lows around 70. Highs in the mid 90s.

Night: Mostly clear. Lows around 70. Highs in the mid 90s.

Day: Mostly sunny. Highs in the upper 80s.

Night: Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs around 100. South winds 5 to 10 mph with gusts up to 20 mph, becoming southwest this afternoon. Chance of rain 20 percent.

Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Humid with lows in the lower 70s. East winds around 5 mph. Chance of rain 50 percent.

Day: Mostly sunny. A slight chance of showers in the afternoon. Hot with highs in the upper 90s. South winds around 5 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. South winds around 5 mph.

Day: Sunny. A slight chance of showers in the afternoon. Hot with highs in the upper 90s. Southwest winds around 5 mph, becoming west in the afternoon. Chance of rain 20 percent.

Night: Mostly clear. Hot. Lows in the lower 70s. Highs in the upper 90s.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 70s.

Day: Mostly sunny. A slight chance of showers in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent.

Night: Partly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 40 percent.

Day: Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Not as warm with highs in the mid 80s. Chance of rain 40 percent.

Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Chance of rain 40 percent.

Day: Sunny, hot with highs in the upper 90s. South winds around 5 mph. Highest heat index readings heat index readings up to 106 this afternoon.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the upper 90s. South winds around 5 mph.

Night: Mostly clear. Lows around 70. Southeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny, hot with highs in the upper 90s. Calm winds.

Night: Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s.

Day: Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s.

Day: Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s.

Night: Partly cloudy. Lows in the upper 60s.

Night: Partly cloudy. A chance of showers. Highs in the upper 80s. Lows in the lower 60s. Chance of rain 30 percent.

Day: Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Highest heat index readings heat index readings up to 106 this afternoon.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph.

Day: Mostly sunny. Hot with highs in the upper 90s. South winds around 5 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph.

Night: Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s.

Day: Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s.

Day: Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 70.

Night: Partly cloudy. A chance of showers. Highs in the upper 80s. Lows in the mid 60s. Chance of rain 30 percent.

Day: Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Highest heat index readings heat index readings up to 106 this afternoon.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent.

Day: Mostly sunny. Hot with highs in the upper 90s. South winds 5 to 10 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 70s. South winds around 5 mph.

Day: Sunny, hot with highs in the upper 90s. West winds around 5 mph.

Night: Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s.

Day: Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s.

Day: Mostly clear. Hot. Lows in the lower 70s. Highs in the mid 90s.

Night: Partly cloudy. Lows in the upper 60s.

Day: Mostly sunny. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.