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

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

73°F

23°C

Humidity 67%
Wind Speed NA
Barometer 30.00 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 29 Jul 7:55 pm CDT
Extended Forecast for

Gridley IL

  • Tonight

    Tonight: Clear, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Light south southeast wind.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Southeast wind 3 to 6 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 78. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 64. Southeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Northeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. North northeast wind 9 to 15 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Light south southeast wind.
Thursday Night
Partly cloudy, with a low around 65. Southeast wind 3 to 6 mph.
Friday
Showers likely, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 78. South wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 64. Southeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Northeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Partly cloudy, with a low around 62. North northeast wind 9 to 15 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gridley IL
 40.74°N 88.89°W (Elev. 738 ft)
Last Update:
7:36 pm CDT Jul 29, 2026
Forecast Valid:
8pm CDT Jul 29, 2026-6pm CDT Aug 5, 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