Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75° N Lon: 90.37° W Elev: 604 ft.

Mostly Cloudy

72°F

22°C

Humidity	59%
Wind Speed	E 6 mph
Barometer	30.05 in (1016.4 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	7 Sep 1:51 am CDT

More Information:

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

Detailed forecast for

St. Louis City

Rest Of Tonight

Mostly cloudy. Lows in the mid 60s. East winds around 5 mph with gusts up to 20 mph.

Monday

Sunny. Highs in the upper 80s. East winds 5 to 10 mph.

Monday Night

Mostly clear. Lows in the lower 60s. East winds 5 to 10 mph.

Tuesday

Mostly sunny. Hot with highs in the mid 90s. Southeast winds around 5 mph.

Tuesday Night

Partly cloudy in the evening, then becoming mostly clear. Not as cool with lows in the lower 70s. South winds 5 to 10 mph.

Wednesday

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 105.

Wednesday Night

A chance of thunderstorms. Showers. Lows around 70. Chance of rain 90 percent. Heat index values up to 100 early in the evening.

Thursday

Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly sunny in the afternoon. Cooler with highs in the mid 80s. Chance of rain 50 percent.

Thursday Night

Mostly clear. Lows in the lower 60s.

Friday

Mostly sunny. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20 percent.

Friday Night And Saturday

Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Highs in the lower 90s. Chance of rain 30 percent.

Saturday Night And Sunday

Mostly clear. A slight chance of showers and thunderstorms. Lows in the upper 60s. Highs around 90. Chance of rain 20 percent.