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

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fog/Mist

77°F

25°C

Humidity 100%
Wind Speed E 5 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 77°F (25°C)
Visibility 6.00 mi
Heat Index78°F (26°C)
Last update 24 Jul 4:54 am CDT
Extended Forecast for

5 Miles NNE Brussels 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

  • Overnight

    Overnight: Mostly clear, with a low around 78. Light southeast wind.

    Mostly Clear

    Low: 78 °F

  • Sunday

    Sunday: Isolated showers and thunderstorms after 4pm.  Patchy fog between 7am and 8am.  Otherwise, mostly sunny and hot, with a high near 99. Heat index values as high as 113. South wind around 7 mph.  Chance of precipitation is 20%.

    Patchy Fog
    then Isolated
    T-storms

    High: 99 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 7pm.  Mostly cloudy, with a low around 75. Light and variable wind.

    Chance
    T-storms

    Low: 75 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 89. Northeast wind 7 to 9 mph.

    Chance
    T-storms

    High: 89 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 71. Northeast wind 5 to 7 mph.

    Partly Cloudy

    Low: 71 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 89.

    Slight Chance
    T-storms

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 73.

    Slight Chance
    T-storms

    Low: 73 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88.

    Chance
    T-storms

    High: 88 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 78. Light southeast wind.
Sunday
Isolated showers and thunderstorms after 4pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny and hot, with a high near 99. Heat index values as high as 113. South wind around 7 mph. Chance of precipitation is 20%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 75. Light and variable wind.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89. Northeast wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 71. Northeast wind 5 to 7 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
5 Miles NNE Brussels IL
 39.03°N 90.53°W (Elev. 509 ft)
4:15 am CDT Jul 24, 2016
5am CDT Jul 24, 2016-6pm CDT Jul 30, 2016
 
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Additional Resources

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