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.

Partly Cloudy

69°F

21°C

Humidity 61%
Wind Speed S 16 G 24 mph
Barometer 29.73 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 9 Mar 5:35 pm CDT
Extended Forecast for

Gridley IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 77 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 45. South southeast wind 14 to 16 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Temperature falling to around 42 by 5pm. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 57 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind 8 to 18 mph, with gusts as high as 26 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 48. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 48 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Breezy, with a south wind 14 to 19 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 36 mph.

    Low: 39 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 52. Breezy.

    High: 52 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 45. South southeast wind 14 to 16 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm. Temperature falling to around 42 by 5pm. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind 8 to 18 mph, with gusts as high as 26 mph.
Thursday
Increasing clouds, with a high near 48. West northwest wind 6 to 14 mph, with gusts as high as 21 mph.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 39. Breezy, with a south wind 14 to 19 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 36 mph.
Friday
Mostly cloudy, with a high near 52. Breezy.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
Rain likely. Cloudy, with a high near 56. Breezy.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Blustery.
Monday
Partly sunny, with a high near 35.
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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:
4:36 pm CDT Mar 9, 2026
Forecast Valid:
5pm CDT Mar 9, 2026-6pm CDT Mar 16, 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