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

Troy Grove IL

  • Today

    Today: Mostly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. South southwest wind around 5 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. West northwest wind around 5 mph becoming calm.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 55. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 55 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers. Partly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Tonight
Mostly clear, with a low around 42. South southwest wind around 5 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 62. West northwest wind around 5 mph becoming calm.
Tuesday Night
Partly cloudy, with a low around 39. Calm wind.
Veterans Day
A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 55. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 36.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Troy Grove IL
 41.47°N 89.08°W
Last Update:
6:30 am CST Nov 9, 2026
Forecast Valid:
6am CST Nov 9, 2026-6pm CST Nov 15, 2026
 
Forecast Discussion
 
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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