National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

78°F

26°C

Humidity 82%
Wind Speed S 3 mph
Barometer 29.96 in (1013.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 4 Sep 1:53 am CDT
Extended Forecast for

5 Miles SE Findlay IL

Extreme Heat Warning September 4, 02:33am until September 5, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 02:33am until September 5, 07:00pm

    NOW until 7:00pm Sat

    Extreme Heat Warning

  • Overnight

    Low: 74 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 105. West southwest wind 5 to 7 mph.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Light south southwest wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 104. Light and variable wind becoming north northwest 5 to 8 mph in the morning.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Northeast wind around 6 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Northeast wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. East northeast wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 74. South wind 3 to 5 mph.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 105. West southwest wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 74. Light south southwest wind.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 104. Light and variable wind becoming north northwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 70. Northeast wind around 6 mph.
Sunday
Sunny, with a high near 87. Northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 63. East northeast wind 5 to 9 mph, with gusts as high as 15 mph.
Labor Day
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
Sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Findlay IL
 39.48°N 88.68°W (Elev. 604 ft)
Last Update:
2:16 am CDT Sep 4, 2026
Forecast Valid:
2am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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