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.

Fair with Haze

66°F

19°C

Humidity 84%
Wind Speed NA
Barometer 30.08 in
Dewpoint 61°F (16°C)
Visibility 3.00 mi
Last update 24 Jul 9:15 pm CDT
Extended Forecast for

3 Miles SSW Blackstone IL

  • Tonight

    Tonight: A 20 percent chance of showers after 4am.  Increasing clouds, with a low around 62. South southeast wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 82. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 92. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 92 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. Southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

  • Monday Night

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

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Increasing clouds, with a low around 62. South southeast wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 82. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 92. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the morning. 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 74. Southwest wind around 5 mph, with gusts as high as 15 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 69.
Friday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Blackstone IL
 41.02°N 88.67°W
8:46 pm CDT Jul 24, 2026
9pm 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