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

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Rain

70°F

21°C

Humidity 86%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 13 Jul 8:55 pm CDT
Extended Forecast for

Walnut IL

  • Tonight

    Tonight: Clear, with a low around 63. Calm wind.

    Low: 63 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind around 5 mph.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

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

    Low: 69 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 63. Calm wind.
Monday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly clear, with a low around 64. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut IL
 41.55°N 89.6°W (Elev. 696 ft)
Last Update:
7:01 pm CDT Jul 13, 2025
Forecast Valid:
9pm CDT Jul 13, 2025-6pm CDT Jul 20, 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