Severe Thunderstorms and Flash Flooding Possible Through the Holiday Weekend

Severe thunderstorms, heavy rainfall, and additional flash flooding will remain possible across much of the central U.S. and into parts of the Ohio Valley and Mid Atlantic through Monday. Elsewhere, cool and unsettled weather will persist over the West, while record high temperatures are expected in the Southeast. Read More >

Hazardous Weather Conditions

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Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

78°F

26°C

Humidity	62%
Wind Speed	S 14 G 21 mph
Barometer	30.02 in (1015.5 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	25 May 9:51 am CDT

More Information:

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

Extended Forecast for

Saint Louis MO

Flood Warning until further notice

Click here for hazard details and duration

Flood Warning until further notice

Flood Warning until further notice

NOW until further notice

Flood Warning
Today

Scattered
Showers then
Isolated
T-storms
High: 88 °F
Tonight

Partly Cloudy
then Slight
Chance
T-storms
Low: 69 °F
Sunday

Chance
T-storms
High: 85 °F
Sunday
Night

Mostly Cloudy
then Slight
Chance
T-storms
Low: 68 °F
Memorial
Day

Mostly Sunny
High: 89 °F
Monday
Night

Mostly Clear
Low: 69 °F
Tuesday

Mostly Sunny
High: 88 °F
Tuesday
Night

Slight Chance
T-storms then
Chance
T-storms
Low: 69 °F

Detailed Forecast

Today

Scattered showers and thunderstorms, mainly before 11am. Mostly cloudy, with a high near 88. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Tonight

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southwest wind 3 to 6 mph.

Sunday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the morning.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. West wind around 6 mph becoming light and variable in the evening.

Memorial Day

Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph, with gusts as high as 23 mph.

Monday Night

Mostly clear, with a low around 69.

Tuesday

Mostly sunny, with a high near 88.

Tuesday Night

A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.