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

N/A

Humidity NA
Wind Speed S 10 mph
Barometer 29.76 in
Dewpoint N/A
Visibility 7.00 mi
Last update 10 Mar 3:35 am CDT
Extended Forecast for

Spring Valley IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 59. Southwest wind around 10 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and thunderstorms between 3pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 69. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

    High: 69 °F

    Patchy Fog
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms before 2am, then rain and possibly a thunderstorm, mainly after 2am. Low around 42. East wind around 10 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    T-storms then
    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 43. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 43 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 51. Breezy.

    High: 51 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 59. Southwest wind around 10 mph.
Tuesday
A slight chance of rain and thunderstorms between 3pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 69. Southwest wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Rain and thunderstorms before 2am, then rain and possibly a thunderstorm, mainly after 2am. Low around 42. East wind around 10 mph becoming west after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm. High near 43. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 41. Breezy.
Friday
Partly sunny, with a high near 51. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 54.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 37.
Sunday
Rain and snow. High near 47. Breezy. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17. Blustery.
Monday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spring Valley IL
 41.34°N 89.2°W (Elev. 650 ft)
Last Update:
1:26 am CDT Mar 10, 2026
Forecast Valid:
3am CDT Mar 10, 2026-6pm CDT Mar 16, 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