Dangerous Wind Chill in the North

A strong arctic front and associated gusty winds will produce bitter wind chills as cold as -50 or colder from the Upper Midwest to the Northeast. Chilly temperatures and gusty winds extend across the Mid-Atlantic. Lower elevation rain and mountain snow from a weak system in the west will be followed by a stronger system this weekend with heavy mountain snow. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

25°F

-4°C

Humidity 37%
Wind Speed E 6 mph
Barometer 30.57 in (1036.0 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 3 Feb 4:53 pm CST
Extended Forecast for

Herculaneum MO

  • Tonight

    Tonight: Mostly clear, with a low around 21. Southeast wind 6 to 10 mph.

    Mostly Clear

    Low: 21 °F

  • Saturday

    Saturday: Partly sunny, with a high near 50. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    Partly Sunny

    High: 50 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 37. South wind 14 to 16 mph, with gusts as high as 29 mph.

    Mostly Cloudy

    Low: 37 °F

  • Sunday

    Sunday: Sunny, with a high near 57. West wind 7 to 15 mph, with gusts as high as 23 mph.

    Sunny

    High: 57 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 30. West wind around 6 mph becoming calm.

    Mostly Clear

    Low: 30 °F

  • Monday

    Monday: Partly sunny, with a high near 58. Breezy.

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

    High: 58 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of rain after midnight.  Cloudy, with a low around 46. Breezy.

    Cloudy and
    Breezy then
    Slight Chance
    Rain

    Low: 46 °F

  • Tuesday

    Tuesday: A 30 percent chance of rain.  Mostly cloudy, with a high near 55.

    Chance Rain

    High: 55 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of rain, mainly after midnight.  Partly cloudy, with a low around 37.

    Chance Rain

    Low: 37 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Southeast wind 6 to 10 mph.
Saturday
Partly sunny, with a high near 50. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 37. South wind 14 to 16 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 57. West wind 7 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 30. West wind around 6 mph becoming calm.
Monday
Partly sunny, with a high near 58. Breezy.
Monday Night
A 20 percent chance of rain after midnight. Cloudy, with a low around 46. Breezy.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 55.
Tuesday Night
A 30 percent chance of rain, mainly after midnight. Partly cloudy, with a low around 37.
Wednesday
A 50 percent chance of rain. Mostly sunny, with a high near 54.
Wednesday Night
A 50 percent chance of rain. Partly cloudy, with a low around 43.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 54.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 52.
Click Map For Forecast
Point Forecast:
Herculaneum MO
 38.27°N 90.39°W (Elev. 456 ft)
4:36 pm CST Feb 3, 2023
5pm CST Feb 3, 2023-6pm CST Feb 10, 2023
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database