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

Morris Muni-James R Washburn Field Airport (KC09)

Lat: 41.43°NLon: 88.42°WElev: 584ft.

Fair

77°F

25°C

Humidity 72%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Jul 8:35 pm CDT
Extended Forecast for

Seneca IL

  • Tonight

    Tonight: Mostly clear, with a low around 66. North wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming south southeast around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West southwest wind around 5 mph, with gusts as high as 15 mph.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 66. North wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming south southeast around 5 mph in the morning. Winds could gust as high as 10 mph.
Tuesday Night
Partly cloudy, with a low around 71. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West southwest wind around 5 mph, with gusts as high as 15 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 83.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.
Friday
Partly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 67.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seneca IL
 41.3°N 88.62°W
Last Update:
6:27 pm CDT Jul 14, 2025
Forecast Valid:
8pm CDT Jul 14, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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