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

47°F

8°C

Humidity 79%
Wind Speed SW 6 mph
Barometer 29.85 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 Mar 6:15 am CDT
Extended Forecast for

5 Miles S Neponset IL

  • Today

    Today: Partly sunny, with a high near 72. South southwest wind 6 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. North wind 5 to 7 mph becoming east southeast after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 73. Breezy, with a southwest wind 11 to 20 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 73 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. North wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 52. North wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 72. South southwest wind 6 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.
Tonight
Mostly cloudy, with a low around 42. North wind 5 to 7 mph becoming east southeast after midnight.
Saturday
Sunny, with a high near 78. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 56. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday
Mostly cloudy, with a high near 73. Breezy, with a southwest wind 11 to 20 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 33. North wind 11 to 18 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 52. North wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Neponset IL
 41.23°N 89.76°W (Elev. 732 ft)
Last Update:
6:26 am CDT Mar 20, 2026
Forecast Valid:
6am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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