Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

76°F

24°C

Humidity 78%
Wind Speed S 3 mph
Barometer 29.83 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Jun 8:55 am CDT
Extended Forecast for

Strawn IL

  • Today

    Today: Showers and thunderstorms.  High near 82. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am.  Mostly cloudy, with a low around 64. West wind 5 to 15 mph.  Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86. South southwest wind 5 to 15 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms. High near 82. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 64. West wind 5 to 15 mph. Chance of precipitation is 40%.
Juneteenth
Mostly sunny, with a high near 82. West northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 63. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 86. South southwest wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 92.
Saturday Night
Clear, with a low around 74.
Sunday
Sunny, with a high near 94.
Sunday Night
Clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Strawn IL
 40.68°N 88.4°W
7:06 am CDT Jun 18, 2025
9am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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