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.

Fair

37°F

3°C

Humidity 74%
Wind Speed NA
Barometer 30.13 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 19 Apr 1:35 am CDT
Extended Forecast for

5 Miles ENE Blackstone IL

Freeze Watch April 20, 12:00am until April 20, 09:00am
Frost Advisory until April 19, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory
  •  
    Frost Advisory until April 19, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Overnight

    Low: 34 °F

    Patchy Frost

  • Sunday

    Sunday: Increasing clouds, with a high near 53. Breezy, with a west southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 53 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. Northwest wind 10 to 15 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 56 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Overnight
Patchy frost. Otherwise, mostly clear, with a low around 34. Southwest wind 5 to 10 mph.
Sunday
Increasing clouds, with a high near 53. Breezy, with a west southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. Northwest wind 10 to 15 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 56. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Monday Night
Partly cloudy, with a low around 45. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 83. Breezy.
Thursday Night
Showers likely. Mostly cloudy, with a low around 62.
Friday
Showers likely. Mostly cloudy, with a high near 74.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Blackstone IL
 41.08°N 88.55°W
Last Update:
1:21 am CDT Apr 19, 2026
Forecast Valid:
1am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation