Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Fair

86°F

30°C

Humidity 67%
Wind Speed W 5 mph
Barometer 30.03 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 17 Aug 1:35 pm CDT
Extended Forecast for

3 Miles WSW Speer IL

Heat Advisory August 17, 02:01pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 02:01pm until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 71. East wind around 7 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. South wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 91 °F

    Chance
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 73. South wind 3 to 5 mph.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm.  Mostly sunny, with a high near 88. Light and variable wind becoming west southwest 5 to 7 mph in the morning.  Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. North northeast wind around 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 91. Southeast wind 3 to 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. East wind around 7 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. South wind 7 to 9 mph, with gusts as high as 15 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind 3 to 5 mph.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 88. Light and variable wind becoming west southwest 5 to 7 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 68. North northeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 82. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Speer IL
 40.99°N 89.74°W (Elev. 650 ft)
1:55 pm CDT Aug 17, 2025
2pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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Additional Resources

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