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

70°F

21°C

Humidity 82%
Wind Speed W 5 mph
Barometer 29.77 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 4:15 am CDT
Extended Forecast for

Neponset IL

  • Overnight

    Overnight: Showers and thunderstorms. Steady temperature around 69. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 69 °F

    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 76. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    T-storms
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers after 7am. Mostly sunny, with a high near 74. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 7pm. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 59. Breezy.

    High: 59 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

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

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and thunderstorms. Steady temperature around 69. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 76. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 40 percent chance of showers after 7am. Mostly sunny, with a high near 74. West wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 55.
Friday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 82.
Friday Night
Showers, with thunderstorms also possible after 7pm. Low around 47. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 59. Breezy.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 72.
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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 CDT Apr 15, 2026
Forecast Valid:
4am CDT Apr 15, 2026-6pm CDT Apr 21, 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