Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

92°F

33°C

Humidity	46%
Wind Speed	W 3 mph
Barometer	30.01 in (1014.7 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	9 Sep 5:51 pm CDT

More Information:

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

Extended Forecast for

Webster Groves MO

Tonight
Low: 73 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 81 °F
Showers then
Chance
T-storms
Thursday Night
Low: 68 °F
Becoming
Cloudy
Friday
High: 84 °F
Partly Sunny
Friday Night
Low: 69 °F
Partly Cloudy
Saturday
High: 90 °F
Slight Chance
Showers then
Slight Chance
T-storms
Saturday Night
Low: 70 °F
Partly Cloudy
then Slight
Chance
Showers
Sunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 72 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 73. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

Thursday

Showers and thunderstorms, mainly before 1pm. High near 81. Light and variable wind becoming north around 5 mph in the morning. Chance of precipitation is 80%.

Thursday Night

Partly cloudy, then becoming cloudy toward daybreak, with a low around 68. Light northeast wind.

Friday

Partly sunny, with a high near 84. Light southeast wind.

Friday Night

Partly cloudy, with a low around 69. Calm wind.

Saturday

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

Saturday Night

A 20 percent chance of showers after 1am. Partly cloudy, with a low around 70.

Sunday

Mostly sunny, with a high near 91.