Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Light Rain

72°F

22°C

Humidity	91%
Wind Speed	E 7 mph
Barometer	30.01 in (1014.9 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	10 Sep 4:51 am CDT

More Information:

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

Extended Forecast for

Saint Louis MO

Overnight
Low: 72 °F
Chance
T-storms
Thursday
High: 79 °F
Showers
Thursday Night
Low: 68 °F
Slight Chance
T-storms then
Mostly Cloudy
Friday
High: 82 °F
Chance
Showers
Friday Night
Low: 70 °F
Slight Chance
Showers
Saturday
High: 90 °F
Mostly Sunny
then Chance
Showers
Saturday Night
Low: 70 °F
Slight Chance
T-storms then
Slight Chance
Showers
Sunday
High: 90 °F
Mostly Sunny
Sunday Night
Low: 72 °F
Partly Cloudy

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 72. Light northeast wind.

Thursday

Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 79. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 90%.

Thursday Night

A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Mostly cloudy, with a low around 68. Light northeast wind. Chance of precipitation is 20%.

Friday

A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 82. Light and variable wind becoming east around 5 mph.

Friday Night

A 20 percent chance of showers before 1am. Partly cloudy, with a low around 70. Light southeast wind.

Saturday

A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

Saturday Night

A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 70. Chance of precipitation is 20%.

Sunday

Mostly sunny, with a high near 90.

Sunday Night

Partly cloudy, with a low around 72.

Monday

Sunny, with a high near 94.

Monday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.

Tuesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Tuesday Night

A 40 percent chance of showers. Partly cloudy, with a low around 67.