Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

Herculaneum MO

Tonight
Low: 30 °F
Decreasing
Clouds
Friday
High: 46 °F
Mostly Sunny
Friday Night
Low: 24 °F
Mostly Clear
Saturday
High: 49 °F
Sunny
Saturday Night
Low: 24 °F
Mostly Clear
Sunday
High: 52 °F
Sunny
Sunday Night
Low: 27 °F
Mostly Clear
Monday
High: 55 °F
Sunny
Monday Night
Low: 27 °F
Clear

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming clear, with a low around 30. North wind 5 to 9 mph becoming light northwest. Winds could gust as high as 21 mph.

Friday

Mostly sunny, with a high near 46. North wind 5 to 9 mph.

Friday Night

Mostly clear, with a low around 24. Northwest wind around 5 mph becoming calm in the evening.

Saturday

Sunny, with a high near 49. Calm wind.

Saturday Night

Mostly clear, with a low around 24. Calm wind.

Sunday

Sunny, with a high near 52.

Sunday Night

Mostly clear, with a low around 27.