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.

Light Rain

72°F

22°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 30.09 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 14 Aug 9:35 am CDT
Extended Forecast for

Gridley IL

  • Today

    Today: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. East wind around 6 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. East southeast wind around 8 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 88. Heat index values as high as 101. South southeast wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 74. West wind around 7 mph.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 87. West northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Partly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 68. Northwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. North wind 5 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. East wind around 6 mph. Chance of precipitation is 50%.
Tonight
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 72. East southeast wind around 8 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 88. Heat index values as high as 101. South southeast wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 74. West wind around 7 mph.
Sunday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 87. West northwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 68. Northwest wind around 7 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 81. North wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 79.
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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:
9:37 am CDT Aug 14, 2026
Forecast Valid:
10am CDT Aug 14, 2026-6pm CDT Aug 20, 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