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.

Mostly Cloudy

80°F

27°C

Humidity 72%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Aug 12:55 pm CDT
Extended Forecast for

3 Miles WSW Speer IL

Flood Watch until August 20, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 20, 01:00am

    NOW until 1:00am Thu

    Flood Watch

  • This Afternoon

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. Light northeast wind.

    Low: 62 °F

    Chance
    T-storms then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 80. Calm wind becoming east northeast around 5 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly clear, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 80. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 80. Light north wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 62. Light northeast wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 80. Calm wind becoming east northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 61. Calm wind.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly clear, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 80. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Speer IL
 40.99°N 89.74°W (Elev. 650 ft)
Last Update:
11:41 am CDT Aug 19, 2026
Forecast Valid:
1pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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