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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

75°F

24°C

Humidity 51%
Wind Speed N 3 mph
Barometer 30.10 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 24 Aug 12:10 pm CDT
Extended Forecast for

Granville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. North wind around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. North wind around 5 mph.
Tonight
Mostly clear, with a low around 58. Calm wind.
Tuesday
Mostly sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 64. South wind around 5 mph.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Partly sunny, with a high near 82.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 84.
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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:
11:46 am CDT Aug 24, 2026
Forecast Valid:
12pm CDT Aug 24, 2026-6pm CDT Aug 30, 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