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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles SSW Troy Grove IL

  • Today

    Today: Increasing clouds, with a high near 82. South southeast wind 5 to 15 mph.

    High: 82 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Southeast wind 5 to 10 mph becoming light east southeast after midnight. Winds could gust as high as 15 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Calm wind becoming south southwest around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 1am. Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 82. South southeast wind 5 to 15 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Southeast wind 5 to 10 mph becoming light east southeast after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 80. Calm wind.
Sunday Night
Mostly clear, with a low around 61. Calm wind becoming south southwest around 5 mph after midnight. Winds could gust as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 76.
Tuesday Night
A chance of showers after 1am. Mostly clear, with a low around 54.
Wednesday
A chance of showers. Partly sunny, with a high near 70.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 53.
Thursday
Showers likely. Mostly cloudy, with a high near 70.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Troy Grove IL
 41.41°N 89.11°W
Last Update:
5:16 am CDT Oct 10, 2026
Forecast Valid:
7am CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
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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