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.

Overcast

74°F

23°C

Humidity 94%
Wind Speed NE 8 mph
Barometer 29.99 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 20 Jul 3:15 pm CDT
Extended Forecast for

Tiskilwa IL

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly cloudy, with a high near 80. Northeast wind around 5 mph. Chance of precipitation is 20%.

    High: 80 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers between 1am and 2am. Mostly cloudy, with a low around 66. East wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    Showers

  • Monday

    Monday: Partly sunny, with a high near 83. East wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Southeast wind around 5 mph.

    Low: 68 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly cloudy, with a high near 80. Northeast wind around 5 mph. Chance of precipitation is 20%.
Tonight
Isolated showers between 1am and 2am. Mostly cloudy, with a low around 66. East wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 83. East wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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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:
2:46 pm CDT Jul 20, 2025
Forecast Valid:
3pm CDT Jul 20, 2025-6pm CDT Jul 26, 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