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

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

33°F

1°C

Humidity 79%
Wind Speed SE 3 mph
Barometer 30.22 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 12 Feb 8:35 pm CST
Extended Forecast for

Neponset IL

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southeast wind around 5 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. South wind 5 to 10 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 33. Southwest wind around 5 mph becoming calm.

    Low: 33 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 54. Calm wind becoming south around 5 mph in the morning.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Southeast wind around 5 mph.
Friday
Sunny, with a high near 55. South wind 5 to 10 mph.
Friday Night
Increasing clouds, with a low around 33. Southwest wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 54. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Washington's Birthday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly cloudy, with a high near 61.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 50.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Neponset IL
 41.3°N 89.79°W (Elev. 817 ft)
Last Update:
7:43 pm CST Feb 12, 2026
Forecast Valid:
8pm CST Feb 12, 2026-6pm CST Feb 19, 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