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

87°F

31°C

Humidity 29%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 16 Sep 5:15 pm CDT
Extended Forecast for

4 Miles S Speer IL

  • Tonight

    Tonight: Mostly clear, with a low around 57. East northeast wind around 5 mph becoming calm after midnight.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Light east wind.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Light southeast wind.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. East wind 3 to 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 85. Light and variable wind becoming east southeast around 6 mph in the morning.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 61. East wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 57. East northeast wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 89. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. Light east wind.
Thursday
Sunny, with a high near 92. Light southeast wind.
Thursday Night
Partly cloudy, with a low around 63. East wind 3 to 5 mph.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 85. Light and variable wind becoming east southeast around 6 mph in the morning.
Friday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 61. East wind 3 to 6 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 84.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Partly sunny, with a high near 83.
Monday Night
A chance of showers. Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Speer IL
 40.96°N 89.69°W (Elev. 748 ft)
Last Update:
4:25 pm CDT Sep 16, 2025
Forecast Valid:
5pm CDT Sep 16, 2025-6pm CDT Sep 23, 2025
 
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