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 downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Current conditions at

St. Louis, Lambert-St. Louis International Airport (KSTL)

Lat: 38.62°NLon: -90.23°WElev: 604ft.

Overcast

23°F

-5°C

Humidity 35%
Wind Speed Calm
Barometer 30.55 in (1036.4 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 13 Feb 2:51 pm CST
Extended Forecast for

Saint Louis MO

Winter Weather Advisory February 14, 12:00am until February 14, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 3am.  Cloudy, with a low around 17. East wind 5 to 13 mph, with gusts as high as 20 mph.

    Slight Chance
    Snow then
    Chance Snow

    Low: 17 °F

  • Sunday

    Sunday: Snow before noon, then a chance of snow and freezing drizzle.  High near 30. South wind 10 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. Little or no ice accumulation expected.  New snow accumulation of 1 to 2 inches possible.

    Snow then
    Chance Wintry
    Mix

    High: 30 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 27. South wind 6 to 9 mph becoming southwest after midnight.

    Mostly Cloudy

    Low: 27 °F

  • Washington's
    Birthday

    Washington's Birthday: Partly sunny, with a high near 43. Southwest wind around 6 mph becoming southeast in the afternoon.

    Partly Sunny

    High: 43 °F

  • Monday
    Night

    Monday Night: A chance of rain and snow between midnight and 3am, then a chance of snow after 3am.  Partly cloudy, with a low around 31. Light and variable wind becoming south around 6 mph in the evening.  Chance of precipitation is 40%.

    Partly Cloudy
    then Chance
    Rain/Snow

    Low: 31 °F

  • Tuesday

    Tuesday: A chance of rain and snow before 11am, then a chance of rain.  Mostly cloudy, with a high near 46. Chance of precipitation is 40%.

    Chance
    Rain/Snow
    then Chance
    Rain

    High: 46 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 28.

    Mostly Cloudy

    Low: 28 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 43.

    Partly Sunny

    High: 43 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Partly Cloudy

    Low: 32 °F

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly after 3am. Cloudy, with a low around 17. East wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday
Snow before noon, then a chance of snow and freezing drizzle. High near 30. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Mostly cloudy, with a low around 27. South wind 6 to 9 mph becoming southwest after midnight.
Washington's Birthday
Partly sunny, with a high near 43. Southwest wind around 6 mph becoming southeast in the afternoon.
Monday Night
A chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Partly cloudy, with a low around 31. Light and variable wind becoming south around 6 mph in the evening. Chance of precipitation is 40%.
Tuesday
A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 45.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 64. Breezy.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 54.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
1:40 pm CST Feb 13, 2016
3pm CST Feb 13, 2016-6pm CST Feb 20, 2016
 
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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