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. Louis, Lambert-St. Louis International Airport (KSTL)

Lat: 38.75° N Lon: 90.37° W Elev: 604 ft.

Partly Cloudy

96°F

36°C

Humidity 54%
Wind Speed S 13 mph
Barometer 29.90 in (1010.9 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index111°F (44°C)
Last update 24 Jul 6:51 pm CDT
Detailed forecast for

St. Louis County

Tonight
Partly cloudy until early morning then becoming mostly cloudy. Scattered showers and thunderstorms. Low in the mid 70s. Highest heat index readings of around 114 early in the evening. South wind around 10 mph in the evening becoming light after midnight.
Monday
Mostly cloudy with a 40 percent chance of showers and thunderstorms. High in the upper 80s. Light wind in the morning becoming north around 10 mph in the afternoon.
Monday Night
Partly cloudy. Low in the lower 70s. Northeast wind around 10 mph in the evening becoming light after midnight.
Tuesday
Partly sunny with a 20 percent chance of showers and thunderstorms. High around 90. Light wind.
Tuesday Night
Partly cloudy. Low in the lower 70s. Light wind.
Wednesday
Partly sunny with a 30 percent chance of showers and thunderstorms. High in the upper 80s.
Wednesday Night
Partly cloudy in the evening then becoming mostly cloudy. A 40 percent chance of showers and thunderstorms. Low in the lower 70s.
Thursday
Mostly cloudy with a 50 percent chance of showers and thunderstorms. High in the upper 80s.
Thursday Night
Mostly cloudy with a 40 percent chance of showers and thunderstorms. Low around 70.
Friday Through Sunday
Partly cloudy with a 30 percent chance of showers and thunderstorms. High in the upper 80s. Low around 70.



Click Map For Forecast
607 PM CDT SUN JUL 24 2016
 
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