Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Partly Cloudy

74°F

23°C

Humidity 49%
Wind Speed NA
Barometer 29.96 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Jun 7:15 pm CDT
Extended Forecast for

2 Miles S Streator IL

  • Tonight

    Tonight: Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall.  High near 72. East southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 72 °F

    Showers
    Likely then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Cloudy, with a low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    Low: 58 °F

    Showers
    Likely

  • Monday

    Monday: A 20 percent chance of showers before 10am.  Partly sunny, with a high near 76. North northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Northeast wind 5 to 10 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 72. East southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Monday
A 20 percent chance of showers before 10am. Partly sunny, with a high near 76. North northeast wind around 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 53. Northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 78.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 58.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
A chance of showers. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Streator IL
 41.09°N 88.84°W
2:52 pm CDT Jun 20, 2026
7pm CDT Jun 20, 2026-6pm CDT Jun 27, 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