National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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

Grand Ridge IL

Frost Advisory October 17, 05:00am until October 17, 08:00am
Click here for hazard details and duration
...

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 35. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, sunny, with a high near 58. North wind around 5 mph becoming southwest in the afternoon.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, sunny, with a high near 65. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. South wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 35. North wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 58. North wind around 5 mph becoming southwest in the afternoon.
Saturday Night
Clear, with a low around 37. South wind around 5 mph, with gusts as high as 10 mph.
Sunday
Patchy frost before 7am. Otherwise, sunny, with a high near 65. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 39. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Ridge IL
 41.24°N 88.83°W
Last Update:
9:56 pm CDT Oct 16, 2026
Forecast Valid:
10pm CDT Oct 16, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation