Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Hazardous Weather Conditions

Flood Watch in effect from August 5, 10:00 PM CDT until August 6, 10:00 AM CDT

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

86°F

30°C

Humidity	55%
Wind Speed	SE 3 mph
Barometer	30.01 in (1015.3 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	5 Aug 3:54 pm CDT

More Information:

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

Extended Forecast for

2 Miles WSW Spirit Of St. Louis Airport MO

Flood Watch August 5, 10:00pm until August 6, 10:00am

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 90 °F
Slight Chance
T-storms
Tonight
Low: 70 °F
Chance
T-storms then
Heavy Rain
Thursday
High: 84 °F
Heavy Rain
then Chance
T-storms
Thursday Night
Low: 70 °F
Chance
T-storms
Friday
High: 87 °F
Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 90 °F
Mostly Sunny
Saturday Night
Low: 72 °F
Mostly Clear
Sunday
High: 92 °F
Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. South wind around 6 mph.

Tonight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 70. Light and variable wind. Chance of precipitation is 80%.

Thursday

Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. High near 84. Calm wind becoming southeast around 6 mph in the morning. Chance of precipitation is 80%.

Thursday Night

A 50 percent chance of showers and thunderstorms, mainly after 11pm. Increasing clouds, with a low around 70. Light southeast wind.

Friday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 5 to 7 mph.

Friday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Saturday

Mostly sunny, with a high near 90.

Saturday Night

Mostly clear, with a low around 72.

Sunday

Sunny, with a high near 92.