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.

Fair

2°F

-17°C

Humidity 82%
Wind Speed Calm
Barometer 30.22 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 4 Dec 10:15 pm CST
Extended Forecast for

Tiskilwa IL

  • Tonight

    Tonight: Patchy fog. Otherwise, partly cloudy, with a temperature rising to around 5 by 5am. Wind chill values as low as -15. South wind 5 to 10 mph.

    Low: -3 °F⇑

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 30. Wind chill values as low as -5. South wind around 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. Southwest wind 5 to 10 mph becoming west after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. West wind around 5 mph becoming calm in the afternoon.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 21. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 25.

    High: 25 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
Patchy fog. Otherwise, partly cloudy, with a temperature rising to around 5 by 5am. Wind chill values as low as -15. South wind 5 to 10 mph.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 30. Wind chill values as low as -5. South wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 21. Southwest wind 5 to 10 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 30. West wind around 5 mph becoming calm in the afternoon.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a low around 21. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 0.
Monday
Partly sunny, with a high near 23.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
A 50 percent chance of snow. Cloudy, with a low around 29.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 11.
Thursday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tiskilwa IL
 41.29°N 89.5°W (Elev. 535 ft)
Last Update:
8:41 pm CST Dec 4, 2025
Forecast Valid:
10pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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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