Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Mostly Cloudy

61°F

16°C

Humidity 97%
Wind Speed NA
Barometer 30.08 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 24 Jul 11:35 pm CDT
Extended Forecast for

Strawn IL

  • Tonight

    Tonight: A 20 percent chance of showers after 4am.  Increasing clouds, with a low around 60. South wind around 5 mph becoming calm.

    Low: 60 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 80. South wind around 5 mph, with gusts as high as 10 mph.

    High: 80 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming west southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 60. South wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 80. South wind around 5 mph, with gusts as high as 10 mph.
Saturday Night
Partly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming west southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Southwest wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 67.
Friday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Strawn IL
 40.66°N 88.4°W
8:46 pm CDT Jul 24, 2026
11pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
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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