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Irwin, MO 7-Day Night Weather Forecast
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Irwin, MO Weather Forecast
Irwin, MO Weather Forecast Date: 127 PM CDT Sun Sep 06 2026
The area/counties/county of: Barton, including the cities of: Kenoma and Lamar.or toggle through each period.
This Afternoon... Mostly sunny with a chance of showers with a slight chance of thunderstorms. Hot. Near steady temperature around 100. East winds around 5 mph. Chance of rain 40%. Heat index values up to 108.
Tonight... Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Humid with lows in the mid 70s. East winds 5 to 10 mph. Chance of rain 40%.
Labor Day... Mostly sunny. Hot with highs in the upper 90s. Southeast winds 5 to 10 mph.
Monday Night... Mostly clear. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph.
Tuesday... Sunny, hot with highs around 100. South winds 5 to 10 mph.
Tuesday Night... Mostly clear. Lows in the mid 70s.
Wednesday... Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Chance of rain 30%.
Wednesday Night... A chance of thunderstorms. Showers. Lows in the upper 60s. Chance of rain 90%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Not as hot with highs in the upper 80s. Chance of rain 50%.
Thursday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Hot. Lows in the mid 60s. Highs in the lower 90s. Chance of rain 30%.
Friday... Partly cloudy. A chance of showers with a slight chance of thunderstorms. Hot. Lows in the mid 60s. Highs in the lower 90s. Chance of rain 30%.
Friday Night... Mostly clear with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20%.
POP = Probability of Precipitation
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