Weather WorldUnion High School, MO 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Union High School, MO Weather Forecast
Union High School, MO Weather Forecast Date: 603 PM CDT Wed Sep 30 2026
The area/counties/county of: Gasconade County Mo, including the cities of: Washington, Union, and Sullivan.or toggle through each period.
Tonight... Mostly cloudy. Lows in the lower 70s. South winds 5 to 10 mph.
Thursday... Mostly cloudy. 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. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50%.
Thursday Night... Showers with a chance of thunderstorms. Lows in the lower 60s. Northwest winds around 5 mph, becoming north after midnight. Chance of rain 90%.
Friday... Mostly cloudy with showers likely in the morning, then partly sunny in the afternoon. Much cooler with highs in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%.
Friday Night... Partly cloudy in the evening, then becoming mostly clear. Cooler. Less humid with lows in the lower 50s. Northeast winds around 5 mph. Gusts up to 20 mph in the evening.
Saturday... Sunny. Highs in the lower 70s.
Saturday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s.
Sunday... Mostly clear. Highs in the mid 70s. Lows around 50.
Sunday Night... Mostly clear. Highs in the mid 70s. Lows around 50.
Monday... Clear. Highs around 70. Lows in the mid 40s.
Monday Night... Clear. Highs around 70. Lows in the mid 40s.
Tuesday... Mostly clear. Highs in the lower 70s. Lows in the lower 50s.
Tuesday Night... Mostly clear. Highs in the lower 70s. Lows in the lower 50s.
POP = Probability of Precipitation
Union High School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...