Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed S 6 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Heat Index83°F (28°C)
Last update 23 Jul 10:53 pm CDT
Extended Forecast for

3 Miles SSW Sullivan IL

Excessive Heat Warning until July 24, 07:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 24, 07:00pm

    NOW until
    7:00pm Sun

    Excessive Heat Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South wind around 6 mph.

    Partly Cloudy

    Low: 75 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 92. Heat index values as high as 106. South southwest wind 6 to 9 mph.

    Chance
    T-storms

    High: 92 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. South southwest wind around 6 mph.

    Chance
    T-storms

    Low: 73 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. North wind 5 to 7 mph.

    Chance
    T-storms

    High: 87 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 69. North northeast wind around 5 mph.

    Partly Cloudy

    Low: 69 °F

  • Tuesday

    Tuesday: Sunny, with a high near 86. East northeast wind around 6 mph.

    Sunny

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 69. East wind 3 to 5 mph.

    Partly Cloudy

    Low: 69 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 75. South wind around 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 106. South southwest wind 6 to 9 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southwest wind around 6 mph.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. North wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 69. North northeast wind around 5 mph.
Tuesday
Sunny, with a high near 86. East northeast wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 69. East wind 3 to 5 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
3 Miles SSW Sullivan IL
 39.54°N 88.61°W (Elev. 600 ft)
11:24 pm CDT Jul 23, 2016
11pm CDT Jul 23, 2016-6pm CDT Jul 30, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database