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

82°F

28°C

Humidity 71%
Wind Speed W 10 mph
Barometer 29.80 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Jul 5:35 pm CDT
Extended Forecast for

Spring Valley IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a steady temperature around 82. Southwest wind around 10 mph.

    High: 82 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 68. West wind 5 to 10 mph.

    Low: 68 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 75. North wind around 10 mph.

    High: 75 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61. East wind around 5 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 82.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a steady temperature around 82. Southwest wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 68. West wind 5 to 10 mph.
Thursday
Mostly cloudy, with a high near 75. North wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around 61. East wind around 5 mph.
Friday
Mostly sunny, with a high near 82.
Friday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Saturday
Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 82.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spring Valley IL
 41.34°N 89.2°W (Elev. 650 ft)
Last Update:
4:32 pm CDT Jul 16, 2025
Forecast Valid:
5pm CDT Jul 16, 2025-6pm CDT Jul 23, 2025
 
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