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

Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

38°F

3°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 29.81 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 4:35 am CST
Extended Forecast for

Neponset IL

  • Today

    Today: Mostly cloudy, with a high near 49. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 23 by 5pm. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 28 °F⇓

    Decreasing
    Clouds and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow after noon. Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 19.

    High: 19 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 49. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 26. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 23 by 5pm. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 13. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 35.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13.
Saturday
Mostly cloudy, with a high near 19.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 6.
M.L.King Day
Mostly sunny, with a high near 22.
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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:
4:26 am CST Jan 13, 2026
Forecast Valid:
4am CST Jan 13, 2026-6pm CST Jan 19, 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