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

Thunderstorms Across the Central Plains and Mid South

Severe thunderstorms will be possible over parts of the Great Plains today through Wednesday which could bring large hail, damaging winds, and possible tornadoes. Slight Risks (level 2 of 5) of severe thunderstorms has been outlooked. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

63°F

17°C

Humidity 52%
Wind Speed NE 7 mph
Barometer 30.02 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 1 Jun 6:23 am CDT
Extended Forecast for

Granville IL

  • Today

    Today: Mostly sunny, with a high near 80. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Northeast wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 54. East wind 5 to 10 mph.

    Low: 54 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 80. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 54. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 81. Northeast wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 54. East wind 5 to 10 mph.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 64.
Friday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 85.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Granville IL
 41.26°N 89.24°W (Elev. 699 ft)
Last Update:
4:36 am CDT Jun 1, 2026
Forecast Valid:
6am CDT Jun 1, 2026-6pm CDT Jun 7, 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