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Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

43°F

6°C

Humidity	74%
Wind Speed	NW 20 mph
Barometer	29.77 in (1008.2 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Wind Chill	34°F (1°C)
Last update	14 Jan 5:53 am CST

More Information:

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

Extended Forecast for

Herculaneum MO

Today
High: 41 °F⇓
Gradual
Clearing
Tonight
Low: 18 °F
Clear
Thursday
High: 36 °F
Sunny
Thursday Night
Low: 26 °F
Slight Chance
Snow then
Partly Cloudy
Friday
High: 46 °F
Partly Sunny
Friday Night
Low: 19 °F
Mostly Cloudy
Saturday
High: 30 °F
Mostly Sunny
Saturday Night
Low: 9 °F
Partly Cloudy
Sunday
High: 28 °F
Mostly Sunny

Detailed Forecast

Today

Cloudy through mid morning, then gradual clearing, with a temperature falling to around 31 by 5pm. Northwest wind 11 to 18 mph, with gusts as high as 36 mph.

Tonight

Clear, with a low around 18. Northwest wind 6 to 13 mph, with gusts as high as 26 mph.

Thursday

Sunny, with a high near 36. Northwest wind around 5 mph becoming light and variable in the afternoon.

Thursday Night

A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 26. Light and variable wind becoming southwest 5 to 7 mph in the evening.

Friday

Partly sunny, with a high near 46. West wind 7 to 13 mph, with gusts as high as 26 mph.

Friday Night

Mostly cloudy, with a low around 19.

Saturday

Mostly sunny, with a high near 30.

Saturday Night

Partly cloudy, with a low around 9.

Sunday

Mostly sunny, with a high near 28.

Sunday Night

Partly cloudy, with a low around 15.