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

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Overcast

15°F

-9°C

Humidity 68%
Wind Speed NW 9 mph
Barometer 30.48 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 23 Feb 2:55 am CST
Extended Forecast for

Neponset IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 13. Wind chill values as low as zero. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27. Wind chill values as low as zero. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. Breezy, with a south wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 35 mph.

    High: 47 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Likely

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 13. Wind chill values as low as zero. Northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 27. Wind chill values as low as zero. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 47. Breezy, with a south wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 30.
Saturday
Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Neponset IL
 41.3°N 89.79°W (Elev. 817 ft)
Last Update:
2:57 am CST Feb 23, 2026
Forecast Valid:
3am CST Feb 23, 2026-6pm CST Mar 1, 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