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

91°F

33°C

Humidity 52%
Wind Speed Vrbl 7 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 1 Sep 11:53 am CDT
Extended Forecast for

Toledo IL

Heat Advisory September 1, 12:22pm until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 1, 12:22pm until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 76. Calm wind becoming south around 5 mph after midnight.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 5 to 8 mph.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 76. South southwest wind 3 to 5 mph.

    Low: 76 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Southwest wind 3 to 8 mph.

    High: 99 °F

    Hot

  • Thursday Night

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

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 99. Heat index values as high as 104. West southwest wind 5 to 8 mph.
Tonight
Clear, with a low around 76. Calm wind becoming south around 5 mph after midnight.
Wednesday
Sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 5 to 8 mph.
Wednesday Night
Clear, with a low around 76. South southwest wind 3 to 5 mph.
Thursday
Sunny and hot, with a high near 99. Southwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 76. Light south southwest wind.
Friday
Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 74.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 95.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 67.
Labor Day
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Toledo IL
 39.26°N 88.23°W (Elev. 554 ft)
Last Update:
12:16 pm CDT Sep 1, 2026
Forecast Valid:
12pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation