Current conditions at

Marshall County Airport (KC75)

Lat: 41.02°NLon: 89.39°WElev: 545ft.

Light Rain

72°F

22°C

Humidity 81%
Wind Speed SW 5 mph
Barometer 30.03 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 Jun 11:55 am CDT
Extended Forecast for

4 Miles S Speer IL

Heat Advisory June 21, 12:00pm until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 3pm.  Partly sunny, with a high near 85. South wind 13 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Tonight

    Tonight: Mostly clear, with a low around 76. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 105. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South southwest wind 14 to 18 mph, with gusts as high as 31 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 3pm. Partly sunny, with a high near 85. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 76. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 105. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Clear, with a low around 76. South southwest wind 14 to 18 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 94. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Clear, with a low around 74. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny and hot, with a high near 95. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Speer IL
 40.96°N 89.69°W (Elev. 748 ft)
11:41 am CDT Jun 20, 2025
12pm CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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Additional Resources

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