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

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

61°F

16°C

Humidity 61%
Wind Speed S 3 mph
Barometer 30.09 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 10 Oct 8:35 am CDT
Extended Forecast for

Spring Valley IL

  • Today

    Today: Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 82 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Southeast wind 5 to 10 mph becoming light after midnight.

    Low: 55 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Calm wind becoming south around 5 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Southeast wind 5 to 10 mph becoming light after midnight.
Sunday
Sunny, with a high near 81. Calm wind.
Sunday Night
Mostly clear, with a low around 62. Calm wind becoming south around 5 mph after midnight.
Columbus Day
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 77.
Tuesday Night
A 40 percent chance of showers after 1am. Mostly clear, with a low around 55.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 71.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spring Valley IL
 41.32°N 89.2°W (Elev. 538 ft)
Last Update:
8:46 am CDT Oct 10, 2026
Forecast Valid:
9am CDT Oct 10, 2026-6pm CDT Oct 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