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

Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Fair

67°F

19°C

Humidity 98%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 14 Aug 11:35 pm CDT
Extended Forecast for

7 Miles WNW Dennison IL

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 67. Light east wind.

    Low: 67 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Light south wind.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Light south southwest wind.

    High: 92 °F

    Sunny

  • Saturday Night

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

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Sunday Night

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

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 67. Light east wind.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Light south wind.
Friday Night
Mostly clear, with a low around 69. Calm wind.
Saturday
Sunny, with a high near 92. Light south southwest wind.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind.
Sunday Night
Mostly clear, with a low around 73. Calm wind.
Monday
Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 93.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WNW Dennison IL
 39.51°N 87.7°W (Elev. 643 ft)
Last Update:
10:41 pm CDT Aug 14, 2025
Forecast Valid:
11pm CDT Aug 14, 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