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.

Overcast

21°F

-6°C

Humidity 93%
Wind Speed SW 9 mph
Barometer 30.14 in
Dewpoint 19°F (-7°C)
Visibility 8.00 mi
Wind Chill11°F (-12°C)
Last update 2 Dec 11:15 pm CST
Extended Forecast for

West Union IL

  • Tonight

    Tonight: Areas of fog. Otherwise, mostly cloudy, with a low around 16. South wind 3 to 6 mph.

    Low: 16 °F

    Areas Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 37. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 37 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Isolated snow showers after midnight. Cloudy, with a low around 13. Wind chill values between 4 and 9. West southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Cloudy then
    Isolated Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 23. Wind chill values between 1 and 11. North wind 5 to 10 mph, with gusts as high as 17 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9. Light and variable wind.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. South southwest wind 3 to 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of fog. Otherwise, mostly cloudy, with a low around 16. South wind 3 to 6 mph.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 37. South wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Isolated snow showers after midnight. Cloudy, with a low around 13. Wind chill values between 4 and 9. West southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 23. Wind chill values between 1 and 11. North wind 5 to 10 mph, with gusts as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 9. Light and variable wind.
Friday
Mostly sunny, with a high near 31. Calm wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
Mostly cloudy, with a low around 18. South southwest wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly cloudy, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly cloudy, with a high near 35.
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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:
9:36 pm CST Dec 2, 2025
Forecast Valid:
11pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation