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

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

90°F

32°C

Humidity 63%
Wind Speed S 9 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 23 Jul 5:54 pm CDT
Extended Forecast for

Decatur 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 76. South wind 3 to 6 mph.

    Partly Cloudy

    Low: 76 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 94. Heat index values as high as 109. South southwest wind 6 to 10 mph.

    Chance
    T-storms

    High: 94 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. South southwest wind 5 to 8 mph becoming northwest after midnight.

    Chance
    T-storms

    Low: 73 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms before 2pm.  Partly sunny, with a high near 87. North wind 6 to 8 mph.

    Chance
    T-storms

    High: 87 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 67. North wind 5 to 7 mph.

    Mostly Clear

    Low: 67 °F

  • Tuesday

    Tuesday: Sunny, with a high near 86. East northeast wind around 5 mph.

    Sunny

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 69. Light east wind.

    Partly Cloudy

    Low: 69 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. South wind 3 to 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 109. South southwest wind 6 to 10 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southwest wind 5 to 8 mph becoming northwest after midnight.
Monday
A 50 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 87. North wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 67. North wind 5 to 7 mph.
Tuesday
Sunny, with a high near 86. East northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 69. Light east wind.
Wednesday
A chance of showers and thunderstorms after 8am. 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 84.
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:
Decatur IL
 39.86°N 88.94°W (Elev. 682 ft)
5:24 pm CDT Jul 23, 2016
6pm CDT Jul 23, 2016-6pm CDT Jul 30, 2016
 
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Additional Resources

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Hourly Weather Forecast

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