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.

Light Snow

25°F

-4°C

Humidity 69%
Wind Speed NW 18 G 30 mph
Barometer 30.19 in
Dewpoint 16°F (-9°C)
Visibility 4.00 mi
Wind Chill11°F (-12°C)
Last update 11 Jan 3:18 am CST
Extended Forecast for

Troy Grove IL

  • Overnight

    Overnight: Scattered flurries with a slight chance of snow showers. Mostly cloudy, with a low around 22. Blustery, with a west northwest wind around 25 mph, with gusts as high as 35 mph.

    Low: 22 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Sunday

    Sunday: Scattered flurries before 9am. Partly sunny, with a high near 33. Breezy, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 33 °F

    Scattered
    Flurries and
    Breezy then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. West southwest wind 10 to 15 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 3pm. Partly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Showers

  • Tuesday Night

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

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers after noon. Mostly cloudy, with a high near 33. Breezy.

    High: 33 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered flurries with a slight chance of snow showers. Mostly cloudy, with a low around 22. Blustery, with a west northwest wind around 25 mph, with gusts as high as 35 mph.
Sunday
Scattered flurries before 9am. Partly sunny, with a high near 33. Breezy, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 42. West southwest wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A 20 percent chance of showers before 3pm. Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A chance of snow showers after noon. Mostly cloudy, with a high near 33. Breezy.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow showers. Mostly cloudy, with a high near 34.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 24.
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:
3:11 am CST Jan 11, 2026
Forecast Valid:
3am CST Jan 11, 2026-6pm CST Jan 17, 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