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.

Overcast

69°F

21°C

Humidity 97%
Wind Speed W 14 G 24 mph
Barometer 29.82 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 15 Oct 8:15 pm CDT
Extended Forecast for

Seneca IL

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 11pm. Cloudy, with a low around 48. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 48 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 54. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 54 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 35. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, sunny, with a high near 58. North northwest wind around 5 mph becoming calm.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly before 11pm. Cloudy, with a low around 48. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday
A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 54. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 35. North wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 58. North northwest wind around 5 mph becoming calm.
Saturday Night
Clear, with a low around 39. Calm wind becoming south around 5 mph after midnight. Winds could gust as high as 10 mph.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seneca IL
 41.3°N 88.62°W
Last Update:
2:51 pm CDT Oct 15, 2026
Forecast Valid:
8pm CDT Oct 15, 2026-6pm CDT Oct 22, 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