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

79°F

26°C

Humidity 88%
Wind Speed S 8 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 Jun 11:53 pm CDT
Extended Forecast for

4 Miles ESE Findlay IL

Heat Advisory June 30, 12:20am until July 3, 12:00am
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 30, 12:20am until July 3, 12:00am

    NOW until 12:00am Fri

    Heat Advisory

  • Overnight

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Heat index values as high as 106. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 74. South wind 6 to 9 mph, with gusts as high as 15 mph.

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 105. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 74. South wind 5 to 7 mph.

    Low: 74 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. South southwest wind 5 to 7 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 3 to 6 mph.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 76. South southwest wind 6 to 8 mph, with gusts as high as 16 mph.
Tuesday
Mostly sunny, with a high near 93. Heat index values as high as 106. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Clear, with a low around 74. South wind 6 to 9 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 105. South southwest wind 5 to 8 mph, with gusts as high as 15 mph.
Wednesday Night
Clear, with a low around 74. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 93. South southwest wind 5 to 7 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 3 to 6 mph.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 72.
Independence Day
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Findlay IL
 39.5°N 88.67°W (Elev. 650 ft)
Last Update:
12:11 am CDT Jun 30, 2026
Forecast Valid:
12am CDT Jun 30, 2026-6pm CDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation