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.

Overcast

58°F

14°C

Humidity 96%
Wind Speed S 16 mph
Barometer 30.06 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 2 Nov 12:15 pm CST
Extended Forecast for

Seneca IL

  • This Afternoon

    This Afternoon: Patchy drizzle before 2pm, then a slight chance of showers after 5pm. Cloudy, with a high near 63. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 63 °F

    Patchy
    Drizzle

  • Tonight

    Tonight: Cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Cloudy

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 5pm. High near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Breezy.
    Slight Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 3am, then a chance of showers. Low around 59. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 59 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 61. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after noon. Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Patchy drizzle before 2pm, then a slight chance of showers after 5pm. Cloudy, with a high near 63. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Showers, with thunderstorms also possible after 5pm. High near 71. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 3am, then a chance of showers. Low around 59. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 61. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
A 20 percent chance of showers after noon. Partly sunny, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seneca IL
 41.3°N 88.62°W
Last Update:
12:21 pm CST Nov 2, 2026
Forecast Valid:
12pm CST Nov 2, 2026-6pm CST Nov 8, 2026
 
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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