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

82°F

28°C

Humidity	53%
Wind Speed	SW 14 mph
Barometer	30.04 in (1015.6 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	9 Sep 6:51 am CDT

More Information:

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

Extended Forecast for

2 Miles SSE Pine Lawn MO

Today
High: 95 °F
Slight Chance
Showers then
Chance
T-storms
Tonight
Low: 73 °F
T-storms
Thursday
High: 79 °F
Showers then
Showers
Likely
Thursday Night
Low: 67 °F
Mostly Cloudy
Friday
High: 85 °F
Mostly Sunny
then Slight
Chance
Showers
Friday Night
Low: 70 °F
Mostly Clear
Saturday
High: 90 °F
Chance
Showers
Saturday Night
Low: 71 °F
Chance
Showers
Sunday
High: 90 °F
Slight Chance
Showers

Detailed Forecast

Today

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 104. South wind 6 to 9 mph becoming northwest in the morning. Chance of precipitation is 40%.

Tonight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 73. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.

Thursday

Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 3pm. High near 79. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 100%.

Thursday Night

Mostly cloudy, with a low around 67. Light northeast wind.

Friday

A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85. Calm wind becoming east around 5 mph.

Friday Night

Mostly clear, with a low around 70.

Saturday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 90. Chance of precipitation is 40%.

Saturday Night

A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71.

Sunday

A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 90.