Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

40°F

4°C

Humidity 43%
Wind Speed S 17 mph
Barometer 29.52 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 24 Feb 4:35 pm CST
Extended Forecast for

Tiskilwa IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 40. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 39. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow.  Partly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 23 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 40. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 39. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of snow. Partly cloudy, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 31.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 37.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Tiskilwa IL
 41.29°N 89.5°W (Elev. 535 ft)
3:52 pm CST Feb 24, 2026
4pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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