Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. 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

87°F

31°C

Humidity	70%
Wind Speed	S 3 mph
Barometer	29.86 in (1010.1 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	11 Aug 7:54 pm CDT

More Information:

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

Extended Forecast for

High Ridge MO

Extreme Heat Warning August 11, 08:33pm until August 12, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 11, 08:33pm until August 12, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Tonight
Low: 78 °F
Partly Cloudy
Wednesday
High: 97 °F
Isolated
T-storms
Wednesday Night
Low: 76 °F
Isolated
T-storms
Thursday
High: 96 °F
Mostly Sunny
Thursday Night
Low: 75 °F
Partly Cloudy
Friday
High: 95 °F
Mostly Sunny
Friday Night
Low: 75 °F
Partly Cloudy
Saturday
High: 97 °F
Hot

Detailed Forecast

Tonight

Partly cloudy, with a low around 78. South wind 3 to 6 mph.

Wednesday

Isolated showers and thunderstorms between 9am and 3pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

Wednesday Night

Isolated showers and thunderstorms before 1am, then isolated showers and thunderstorms after 5am. Partly cloudy, with a low around 76. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 96. Heat index values as high as 107. Southwest wind around 6 mph becoming southeast in the morning.

Thursday Night

Partly cloudy, with a low around 75. South wind 3 to 5 mph.

Friday

Mostly sunny, with a high near 95.

Friday Night

Partly cloudy, with a low around 75.

Saturday

Sunny and hot, with a high near 97.

Saturday Night

Mostly clear, with a low around 76.