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

88°F

31°C

Humidity 63%
Wind Speed S 13 G 21 mph
Barometer 29.99 in (1014.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 21 Jun 11:53 am CDT
Extended Forecast for

2 Miles ESE Jewett IL

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

    NOW until 7:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. South wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Heat index values as high as 100. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. South southwest wind 5 to 8 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 93. Heat index values as high as 102. South southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Tonight
Clear, with a low around 75. South wind 7 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 93. Heat index values as high as 100. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 76. South wind 6 to 8 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 93. South southwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 92. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Jewett IL
 39.2°N 88.21°W (Elev. 551 ft)
Last Update:
11:41 am CDT Jun 21, 2025
Forecast Valid:
12pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation