Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Extreme Heat Warning until August 15, 09:00 PM CDT

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

79°F

26°C

Humidity	67%
Wind Speed	Calm
Barometer	29.80 in (1008.1 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	12 Aug 7:54 pm CDT

More Information:

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

Extended Forecast for

Eureka MO

Extreme Heat Warning August 12, 08:50pm until August 15, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 12, 08:50pm until August 15, 09:00pm
NOW until 9:00pm Sat
Extreme Heat Warning
Tonight
Low: 76 °F
Scattered
T-storms
Thursday
High: 96 °F
Isolated
T-storms
Thursday Night
Low: 76 °F
Isolated
T-storms then
Mostly Clear
Friday
High: 97 °F
Hot
Friday Night
Low: 75 °F
Mostly Clear
Saturday
High: 96 °F
Sunny
Saturday Night
Low: 74 °F
Mostly Clear
Sunday
High: 96 °F
Sunny

Detailed Forecast

Tonight

Scattered showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 76. Light and variable wind. Chance of precipitation is 30%.

Thursday

Isolated showers and thunderstorms before 11am, then isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 96. Heat index values as high as 107. Light south wind. Chance of precipitation is 20%.

Thursday Night

Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Light and variable wind. Chance of precipitation is 20%.

Friday

Partly sunny through mid morning, then becoming sunny and hot, with a high near 97. Heat index values as high as 107. Light southwest wind.

Friday Night

Mostly clear, with a low around 75. Calm wind.

Saturday

Sunny, with a high near 96.

Saturday Night

Mostly clear, with a low around 74.

Sunday

Sunny, with a high near 96.