Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

94°F

34°C

Humidity 48%
Wind Speed SW 9 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 2 Sep 12:53 pm CDT
Extended Forecast for

3 Miles ESE Findlay IL

Extreme Heat Warning until September 4, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until September 4, 07:00pm

    NOW until 7:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 76. South wind 3 to 5 mph.

    Low: 76 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 103. West southwest wind 5 to 7 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Light south wind.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. West southwest wind 3 to 5 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 102. Southwest wind around 8 mph.
Tonight
Clear, with a low around 76. South wind 3 to 5 mph.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 103. West southwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 76. Light south wind.
Friday
Sunny and hot, with a high near 97. West southwest wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Saturday
Mostly sunny, with a high near 93. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 67.
Labor Day
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 91.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Findlay IL
 39.5°N 88.7°W (Elev. 597 ft)
1:16 pm CDT Sep 2, 2026
1pm CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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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