Showers and Storms in the East; Dangerously Hot and Dry in the West

A front will bring scattered showers and storms to portions of the Central and Eastern US. Severe storms are expected in parts of the Great Plains and Ozarks today. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain

71°F

22°C

Humidity	90%
Wind Speed	S 6 mph
Barometer	30.14 in (1020.1 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	6 Aug 11:53 am CDT

More Information:

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

Extended Forecast for

Herculaneum MO

This Afternoon
High: 79 °F
Heavy Rain
Tonight
Low: 70 °F
Chance
T-storms
Friday
High: 90 °F
Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 91 °F
Slight Chance
T-storms
Saturday Night
Low: 71 °F
Chance
T-storms
Sunday
High: 93 °F
Mostly Sunny
Sunday Night
Low: 74 °F
Mostly Clear
Monday
High: 96 °F
Sunny

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely, mainly between 2pm and 3pm. Some of the storms could produce heavy rainfall. High near 79. South wind around 5 mph. Chance of precipitation is 80%.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 70. Light southeast wind.

Friday

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming west around 5 mph in the afternoon.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 70. Calm wind.

Saturday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. Calm wind.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71.

Sunday

Mostly sunny, with a high near 93.

Sunday Night

Mostly clear, with a low around 74.

Monday

Sunny, with a high near 96.