Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially over western New York where up to two feet is forecast by late Thursday.
Read More...

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.27°NLon: -90.39°WElev: 410ft.

Overcast

23°F

-5°C

Humidity 81%
Wind Speed SE 5 mph
Barometer 30.17 in (1022.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 10 Feb 9:53 pm CST
Extended Forecast for

Herculaneum MO

  • Tonight

    Tonight: Cloudy, with a low around 19. Light and variable wind becoming northeast 5 to 7 mph after midnight.

    Cloudy

    Low: 19 °F

  • Thursday

    Thursday: Mostly cloudy, with a high near 29. Northeast wind around 7 mph.

    Mostly Cloudy

    High: 29 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 18. Northeast wind around 5 mph becoming calm  in the evening.

    Mostly Cloudy

    Low: 18 °F

  • Friday

    Friday: Cloudy, with a high near 36. Calm wind becoming north 5 to 9 mph in the afternoon.

    Cloudy

    High: 36 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 12. Northwest wind 10 to 14 mph.

    Mostly Cloudy

    Low: 12 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 23.

    Mostly Sunny

    High: 23 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 14.

    Mostly Cloudy

    Low: 14 °F

  • Sunday

    Sunday: A 40 percent chance of snow.  Cloudy, with a high near 31.

    Chance Snow

    High: 31 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 26.

    Chance Snow

    Low: 26 °F

Detailed Forecast

Tonight
Cloudy, with a low around 19. Light and variable wind becoming northeast 5 to 7 mph after midnight.
Thursday
Mostly cloudy, with a high near 29. Northeast wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 18. Northeast wind around 5 mph becoming calm in the evening.
Friday
Cloudy, with a high near 36. Calm wind becoming north 5 to 9 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 12. Northwest wind 10 to 14 mph.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
A 40 percent chance of snow. Cloudy, with a high near 31.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Washington's Birthday
A slight chance of snow before 2pm, then a slight chance of rain. Partly sunny, with a high near 42. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 51.
Click Map For Forecast
Point Forecast:
Herculaneum MO
 38.27°N 90.39°W (Elev. 456 ft)
10:25 pm CST Feb 10, 2016
10pm CST Feb 10, 2016-6pm CST Feb 17, 2016
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database