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

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

52°F

11°C

Humidity 90%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 11 Oct 8:15 am CDT
Extended Forecast for

Hennepin IL

  • Today

    Today: Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 1am. Partly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Increasing clouds, with a low around 63. South wind around 5 mph.
Columbus Day
Mostly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Showers likely after 1am. Partly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 74.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hennepin IL
 41.24°N 89.32°W (Elev. 499 ft)
Last Update:
5:41 am CDT Oct 11, 2026
Forecast Valid:
8am CDT Oct 11, 2026-6pm CDT Oct 17, 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