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

34°F

1°C

Humidity 96%
Wind Speed SW 14 mph
Barometer 29.94 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 8 Mar 6:15 am CDT
Extended Forecast for

Grand Ridge IL

  • Today

    Today: Sunny, with a high near 63. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 63 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 46. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 77 °F

    Sunny then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 43. Chance of precipitation is 100%.

    Low: 43 °F

    T-storms

  • Wednesday

    Wednesday: Rain showers before 1pm, then rain likely, possibly mixed with snow showers. High near 56. Breezy. Chance of precipitation is 90%.

    High: 56 °F

    Breezy.
    Showers then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Blustery.

    Low: 26 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 63. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 46. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 71. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 53. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 43. Chance of precipitation is 100%.
Wednesday
Rain showers before 1pm, then rain likely, possibly mixed with snow showers. High near 56. Breezy. Chance of precipitation is 90%.
Wednesday Night
Partly cloudy, with a low around 26. Blustery.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 38. Breezy.
Friday
Partly sunny, with a high near 55. Breezy.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
A chance of snow. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Ridge IL
 41.24°N 88.83°W
Last Update:
4:06 am CDT Mar 8, 2026
Forecast Valid:
6am CDT Mar 8, 2026-6pm CDT Mar 14, 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