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

52°F

11°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 5 Mar 7:35 pm CST
Extended Forecast for

Troy Grove IL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 45. East southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 45 °F

    Patchy Fog
    then Chance
    Showers and
    Areas Fog

  • Friday

    Friday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Areas of fog before 9am. High near 72. Breezy, with an east southeast wind 10 to 20 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers and
    Areas Fog
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Breezy.
    Chance
    T-storms then
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 9am. Mostly cloudy, with a high near 59. Breezy, with a southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 59 °F

    Breezy.
    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 45. East southeast wind around 5 mph, with gusts as high as 10 mph.
Friday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Areas of fog before 9am. High near 72. Breezy, with an east southeast wind 10 to 20 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers and thunderstorms before 9am. Mostly cloudy, with a high near 59. Breezy, with a southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 34. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 62. Breezy.
Sunday Night
Clear, with a low around 46.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Showers likely, mainly after noon. Partly sunny, with a high near 74.
Tuesday Night
Showers. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers. Mostly cloudy, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Troy Grove IL
 41.47°N 89.08°W
Last Update:
3:06 pm CST Mar 5, 2026
Forecast Valid:
7pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation