Weather WorldWest Union, IL 7-Day Night Weather Forecast
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West Union, IL Weather Forecast
West Union, IL Weather Forecast Date: 327 PM CDT Tue Oct 20 2026
The area/counties/county of: Clark, including the city of Marshall.or toggle through each period.
Tonight... Clear. Lows in the lower 40s. Northeast winds around 5 mph this evening, becoming light and variable.
Wednesday... Sunny. Highs in the lower 70s. Light and variable winds, becoming north around 5 mph in the afternoon.
Wednesday Night... Clear. Lows in the mid 40s. Light and variable winds.
Thursday... Sunny. Highs in the mid 70s. Northeast winds around 5 mph.
Thursday Night... Clear. Lows in the mid 40s. Northeast winds around 5 mph.
Friday... Sunny. Highs in the lower 70s.
Friday Night... Mostly clear. Lows in the mid 40s.
Saturday... Partly cloudy. Highs in the mid 70s. Lows in the upper 40s.
Sunday... Partly cloudy. Highs in the mid 70s. Lows in the upper 40s.
Monday... Mostly cloudy. Highs in the lower 70s. Lows in the upper 40s.
Monday Night... Mostly cloudy. Highs in the lower 70s. Lows in the upper 40s.
POP = Probability of Precipitation
West Union Radar Loop
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