National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Robinson Municipal Airport (KRSV)

Lat: 39.01°NLon: 87.65°WElev: 449ft.

Fair

23°F

-5°C

Humidity 93%
Wind Speed S 8 mph
Barometer 30.38 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 12 Jan 3:55 am CST
Extended Forecast for

West Union IL

  • Today

    Today: Sunny, with a high near 47. South southwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 54. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 54 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Southwest wind around 9 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 38 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain showers after noon, mixing with snow after 3pm. Mostly cloudy, with a temperature rising to near 40 by 8am, then falling to around 32 during the remainder of the day. Northwest wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 40 °F⇓

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 17. North northwest wind 16 to 18 mph, with gusts as high as 31 mph.

    Low: 17 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. North northwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Today
Sunny, with a high near 47. South southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 31. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Tuesday
Increasing clouds, with a high near 54. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Southwest wind around 9 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A chance of rain showers after noon, mixing with snow after 3pm. Mostly cloudy, with a temperature rising to near 40 by 8am, then falling to around 32 during the remainder of the day. Northwest wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 17. North northwest wind 16 to 18 mph, with gusts as high as 31 mph.
Thursday
Mostly sunny, with a high near 29. North northwest wind 7 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 38.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
West Union IL
 39.22°N 87.66°W (Elev. 449 ft)
Last Update:
3:24 am CST Jan 12, 2026
Forecast Valid:
4am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation