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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

91°F

33°C

Humidity 59%
Wind Speed N 6 mph
Barometer 29.96 in
Dewpoint 75°F (24°C)
Visibility 20.00 mi
Heat Index102°F (39°C)
Last update 23 Jul 3:45 pm CDT
Extended Forecast for

2 Miles NW Benton IL

Excessive Heat Warning until July 24, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 24, 08:00pm

    NOW until
    8:00pm Sun

    Excessive Heat Warning

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 90. East northeast wind around 5 mph.

    Mostly Sunny

    High: 90 °F

  • Tonight

    Tonight: Mostly clear, with a low around 74. East wind around 5 mph becoming light and variable  in the evening.

    Mostly Clear

    Low: 74 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming south southwest around 6 mph in the morning.

    Slight Chance
    T-storms

    High: 92 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 75. South wind 3 to 6 mph.

    Slight Chance
    T-storms

    Low: 75 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 89. Light and variable wind becoming west southwest around 5 mph in the afternoon.

    Chance
    T-storms

    High: 89 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Light northeast wind.

    Chance
    T-storms

    Low: 73 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    Chance
    T-storms

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Light southeast wind.

    Chance
    T-storms

    Low: 72 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. East northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 74. East wind around 5 mph becoming light and variable in the evening.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming south southwest around 6 mph in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind 3 to 6 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Light and variable wind becoming west southwest around 5 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light northeast wind.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light southeast wind.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southeast wind 3 to 5 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 3 to 6 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southeast wind 3 to 5 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. West southwest wind 3 to 7 mph.
Click Map For Forecast
Point Forecast:
2 Miles NW Benton IL
 38.05°N 88.93°W
3:15 pm CDT Jul 23, 2016
4pm CDT Jul 23, 2016-6pm CDT Jul 29, 2016
 
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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