Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. 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

77°F

25°C

Humidity	88%
Wind Speed	Calm
Barometer	29.93 in (1012.5 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	10 Aug 2:54 am CDT

More Information:

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

Extended Forecast for

4 Miles SSW Eureka MO

Extreme Heat Warning August 10, 03:37am until August 12, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 10, 03:37am until August 12, 08:00pm
NOW until 8:00pm Wed
Extreme Heat Warning
Overnight
Low: 75 °F
Mostly Clear
Monday
High: 96 °F
Mostly Sunny
Monday Night
Low: 77 °F
Partly Cloudy
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 77 °F
Partly Cloudy
Wednesday
High: 96 °F
Mostly Sunny
Wednesday Night
Low: 74 °F
Slight Chance
T-storms
Thursday
High: 93 °F
Slight Chance
T-storms

Detailed Forecast

Overnight

Mostly clear, with a low around 75. South wind 3 to 5 mph.

Monday

Mostly sunny, with a high near 96. Heat index values as high as 107. South wind 3 to 5 mph.

Monday Night

Partly cloudy, with a low around 77. Light south wind.

Tuesday

Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 3 to 5 mph.

Tuesday Night

Partly cloudy, with a low around 77. Light southwest wind.

Wednesday

Mostly sunny, with a high near 96.

Wednesday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.

Thursday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

Friday

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 90. Chance of precipitation is 20%.

Friday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Saturday

Mostly sunny, with a high near 92.

Saturday Night

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