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

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

39°F

4°C

Humidity 93%
Wind Speed S 9 mph
Barometer 29.86 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 7 Jan 7:39 pm CST
Extended Forecast for

Spring Valley IL

  • Tonight

    Tonight: Increasing clouds, with a low around 38. South wind around 10 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain, mainly after noon. High near 56. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 43. Breezy, with a southeast wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    Low: 43 °F

    Rain and
    Breezy then
    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 48. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain and snow likely before noon, then a chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 38. South wind around 10 mph.
Thursday
Rain, mainly after noon. High near 56. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm. Low around 43. Breezy, with a southeast wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Friday
Mostly cloudy, with a high near 48. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 34.
Saturday
Rain and snow likely before noon, then a chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 21.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spring Valley IL
 41.34°N 89.17°W (Elev. 597 ft)
Last Update:
3:16 pm CST Jan 7, 2026
Forecast Valid:
8pm CST Jan 7, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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