Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

79°F

26°C

Humidity 72%
Wind Speed W 7 mph
Barometer 30.03 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 9 Sep 4:55 pm CDT
Extended Forecast for

5 Miles E Pontiac Municipal Airport IL

  • This Afternoon

    This Afternoon: A slight chance of sprinkles.  Mostly cloudy, with a high near 79. West northwest wind around 5 mph.

    High: 79 °F

    Slight Chance
    Sprinkles

  • Tonight

    Tonight: A slight chance of sprinkles before 10pm, then a slight chance of sprinkles after 1am.  Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm.

    Low: 67 °F

    Slight Chance
    Sprinkles

  • Thursday

    Thursday: A chance of showers before 1pm, then a slight chance of sprinkles between 1pm and 4pm.  Mostly cloudy, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 53. Calm wind.

    Low: 53 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of sprinkles. Mostly cloudy, with a high near 79. West northwest wind around 5 mph.
Tonight
A slight chance of sprinkles before 10pm, then a slight chance of sprinkles after 1am. Mostly cloudy, with a low around 67. West wind around 5 mph becoming calm.
Thursday
A chance of showers before 1pm, then a slight chance of sprinkles between 1pm and 4pm. Mostly cloudy, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 53. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 63.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 91.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Pontiac Municipal Airport IL
 40.9°N 88.53°W
2:31 pm CDT Sep 9, 2026
5pm CDT Sep 9, 2026-6pm CDT Sep 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database