National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Mostly Cloudy

69°F

21°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 29.93 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 10:35 pm CDT
Extended Forecast for

3 Miles SSW Streator IL

Flood Watch August 19, 11:00pm until August 20, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 19, 11:00pm until August 20, 01:00am

    NOW until 1:00am Thu

    Flood Watch

  • Tonight

    Low: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, sunny, with a high near 80. Calm wind becoming northeast around 5 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. West southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before midnight. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 61. East northeast wind around 5 mph becoming calm after midnight.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 80. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 59. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Calm wind becoming west southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. West southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Streator IL
 41.09°N 88.84°W
Last Update:
10:01 pm CDT Aug 19, 2026
Forecast Valid:
11pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation