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

62°F

17°C

Humidity 86%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Oct 3:35 am CDT
Extended Forecast for

Grand Ridge IL

  • Overnight

    Overnight: Mostly clear, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. South wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy blowing dust after noon. Sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 85 °F

    Sunny then
    Patchy
    Blowing Dust

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 59. South wind around 5 mph.
Saturday
Sunny, with a high near 89. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 61. South wind 5 to 10 mph.
Sunday
Patchy blowing dust after noon. Sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.
Monday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Tuesday
A chance of showers before 1pm. Partly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 73.
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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:
2:41 am CDT Oct 4, 2025
Forecast Valid:
3am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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