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	Calm
Barometer	30.10 in (1018.1 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	10 Sep 12:51 am CDT

More Information:

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

Extended Forecast for

2 Miles NE Saint Charles MO

Overnight
Low: 70 °F
Heavy Rain
Thursday
High: 79 °F
Heavy Rain
then Showers
Likely
Thursday Night
Low: 67 °F
Slight Chance
Showers then
Patchy Fog
Friday
High: 83 °F
Chance
Showers and
Patchy Fog
Friday Night
Low: 68 °F
Partly Cloudy
Saturday
High: 89 °F
Mostly Sunny
then Chance
Showers
Saturday Night
Low: 68 °F
Slight Chance
T-storms then
Slight Chance
Showers
Sunday
High: 90 °F
Mostly Sunny
Sunday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. Light east wind. Chance of precipitation is 100%.

Thursday

Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. High near 79. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 100%.

Thursday Night

A 20 percent chance of showers before 9pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 67. Light northeast wind.

Friday

A 30 percent chance of showers, mainly after 4pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 83. Southeast wind 3 to 6 mph.

Friday Night

Partly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.

Saturday

A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. 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 68. Chance of precipitation is 20%.

Sunday

Mostly sunny, with a high near 90.

Sunday Night

Partly cloudy, with a low around 70.

Monday

Sunny, with a high near 93.

Monday Night

A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.

Tuesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Tuesday Night

A 40 percent chance of showers. Partly cloudy, with a low around 63.