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

Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Hazardous Weather Conditions

Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Fair

82°F

28°C

Humidity 70%
Wind Speed S 5 mph
Barometer 30.12 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Aug 9:35 am CDT
Extended Forecast for

Sidell IL

  • Today

    Today: Sunny, with a high near 92. Calm wind.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. Light south wind.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 96. Heat index values as high as 103. South wind 3 to 5 mph.

    High: 96 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Light southwest wind.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 92. Calm wind.
Tonight
Mostly clear, with a low around 70. Light south wind.
Saturday
Mostly sunny and hot, with a high near 96. Heat index values as high as 103. South wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Mostly sunny and hot, with a high near 97. Calm wind.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
Sunny and hot, with a high near 97. Light southwest wind.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Mostly sunny and hot, with a high near 96.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sidell IL
 39.89°N 87.82°W (Elev. 686 ft)
Last Update:
9:55 am CDT Aug 15, 2025
Forecast Valid:
10am CDT Aug 15, 2025-6pm CDT Aug 21, 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