Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56° N Lon: 90.15° W Elev: 410 ft.

Fair

69°F

21°C

Humidity	73%
Wind Speed	SE 7 mph
Barometer	30.09 in (1018.5 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Last update	25 Aug 7:53 am CDT

More Information:

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

Detailed forecast for

St. Clair County

Today

Mostly sunny. Highs in the mid 80s. Southeast winds around 5 mph.

Tonight

Partly cloudy. Lows in the upper 60s. Southeast winds around 5 mph.

Wednesday

Mostly sunny. Highs around 90. South winds around 5 mph, becoming west around 5 mph in the afternoon.

Wednesday Night

Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 60s. Northwest winds around 5 mph. Chance of rain 20 percent.

Thursday

Sunny. Highs in the mid 80s. North winds 5 to 10 mph.

Thursday Night Through Friday Night

Mostly clear. Lows in the mid 60s. Highs in the mid 80s.

Saturday And Saturday Night

Partly cloudy. Highs in the upper 80s. Lows in the upper 60s.

Sunday

Mostly sunny. Highs in the mid 90s.

Sunday Night

Mostly clear. Lows in the mid 70s.

Monday

Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 100 in the afternoon.