Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

86°F

30°C

Humidity	53%
Wind Speed	Vrbl 3 mph
Barometer	30.00 in (1014.9 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	18 Aug 3:51 pm CDT

More Information:

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

Extended Forecast for

Saint Louis MO

Tonight
Low: 72 °F
Partly Cloudy
then Showers
Likely
Wednesday
High: 80 °F
Showers then
Chance
T-storms
Wednesday Night
Low: 69 °F
Slight Chance
T-storms then
Mostly Cloudy
Thursday
High: 84 °F
Partly Sunny
Thursday Night
Low: 67 °F
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 69 °F
Slight Chance
T-storms
Saturday
High: 86 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 67 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 72. South wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 60%.

Wednesday

Showers and possibly a thunderstorm, mainly before 10am, then a chance of showers and thunderstorms after 10am. High near 80. West wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 90%.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.

Thursday

Partly sunny, with a high near 84. Northeast wind 3 to 5 mph.

Thursday Night

Mostly clear, with a low around 67. Light east wind.

Friday

Sunny, with a high near 86.

Friday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 69.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 86.

Saturday Night

Mostly clear, with a low around 67.