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

60°F

16°C

Humidity 90%
Wind Speed S 13 mph
Barometer 29.74 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 9 Mar 9:55 pm CDT
Extended Forecast for

Granville IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Southwest wind around 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 67. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 67 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 44. East wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    T-storms

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm. Cloudy, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 51. Breezy.

    High: 51 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Southwest wind around 10 mph.
Tuesday
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 67. Southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 44. East wind 10 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 40. Breezy.
Friday
Partly sunny, with a high near 51. Breezy.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Cloudy, with a high near 53.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 70%.
Sunday Night
Mostly cloudy, with a low around 20. Blustery.
Monday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Granville IL
 41.26°N 89.24°W (Elev. 699 ft)
Last Update:
9:41 pm CDT Mar 9, 2026
Forecast Valid:
10pm CDT Mar 9, 2026-6pm CDT Mar 16, 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