Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 12, 08:00 PM CDT

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

76°F

24°C

Humidity	91%
Wind Speed	W 3 mph
Barometer	29.95 in (1013.3 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	11 Aug 3:54 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Valley Park MO

Extreme Heat Warning August 11, 04:46am until August 12, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 11, 04:46am until August 12, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Today
High: 98 °F
Hot
Tonight
Low: 78 °F
Partly Cloudy
Wednesday
High: 99 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 77 °F
Partly Cloudy
then Slight
Chance
T-storms
Thursday
High: 97 °F
Partly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 75 °F
Chance
T-storms
Friday
High: 95 °F
Partly Sunny
Friday Night
Low: 75 °F
Partly Cloudy

Detailed Forecast

Today

Mostly sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind 6 to 8 mph.

Tonight

Partly cloudy, with a low around 78. Southwest wind 3 to 5 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 110. Southwest wind around 6 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. South wind 3 to 5 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Light and variable wind becoming southwest around 5 mph in the morning.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 75.

Friday

Partly sunny, with a high near 95.

Friday Night

Partly cloudy, with a low around 75.

Saturday

Mostly sunny and hot, with a high near 99.

Saturday Night

Mostly clear, with a low around 77.

Sunday

Sunny and hot, with a high near 99.