National Weather Service

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

78°F

26°C

Humidity	71%
Wind Speed	S 16 G 24 mph
Barometer	29.96 in (1012.9 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	17 Jun 10:51 pm CDT

More Information:

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

Extended Forecast for

Saint Louis MO

Tonight
Low: 74 °F
Clearing
Tuesday
High: 94 °F
Mostly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 75 °F
Mostly Cloudy
Juneteenth
High: 94 °F
Mostly Sunny
Wednesday Night
Low: 74 °F
Partly Cloudy
Thursday
High: 96 °F
Mostly Sunny
Thursday Night
Low: 74 °F
Partly Cloudy
Friday
High: 98 °F
Hot
Friday Night
Low: 76 °F
Partly Cloudy

Detailed Forecast

Tonight

Cloudy early, then clearing, with a low around 74. South wind 8 to 10 mph, with gusts as high as 20 mph.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. Heat index values as high as 100. South wind 10 to 16 mph, with gusts as high as 24 mph.

Tuesday Night

Mostly cloudy, with a low around 75. South wind 5 to 13 mph, with gusts as high as 22 mph.

Juneteenth

Mostly sunny, with a high near 94. South wind 3 to 8 mph.

Wednesday Night

Partly cloudy, with a low around 74. South wind 5 to 7 mph becoming calm in the evening.

Thursday

Mostly sunny, with a high near 96.

Thursday Night

Partly cloudy, with a low around 74.

Friday

Mostly sunny and hot, with a high near 98.