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.

Fair

73°F

23°C

Humidity 41%
Wind Speed NW 9 mph
Barometer 29.84 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 20 Mar 5:35 pm CDT
Extended Forecast for

Troy Grove IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. East southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 65. Breezy, with a west southwest wind 10 to 20 mph becoming north northeast in the morning. Winds could gust as high as 30 mph.

    High: 65 °F

    Partly Sunny
    then Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. Blustery, with a north wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 40. North wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 75. East southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 56. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 65. Breezy, with a west southwest wind 10 to 20 mph becoming north northeast in the morning. Winds could gust as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 31. Blustery, with a north wind 10 to 20 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
A chance of showers. Partly sunny, with a high near 68. Breezy.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Troy Grove IL
 41.47°N 89.08°W
Last Update:
4:06 pm CDT Mar 20, 2026
Forecast Valid:
5pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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