Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

71°F

22°C

Humidity 79%
Wind Speed S 8 mph
Barometer 30.02 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 7:15 am CDT
Extended Forecast for

2 Miles S Streator IL

Heat Advisory June 21, 10:00am until June 24, 12:00am
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A 30 percent chance of showers, mainly before 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 86. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 86 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 106. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 76. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 75. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 106. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 76. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 94. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 75.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Streator IL
 41.09°N 88.84°W
4:41 am CDT Jun 20, 2025
7am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database