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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Hazardous Weather Conditions

Current conditions at

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

Lat: 38.64°NLon: -90.23°WElev: 604ft.

Overcast

29°F

-2°C

Humidity 75%
Wind Speed NW 8 mph
Barometer 30.29 in (1026.9 mb)
Dewpoint 22°F (-6°C)
Visibility 8.00 mi
Wind Chill21°F (-6°C)
Last update 12 Feb 9:51 am CST
Extended Forecast for

Saint Louis MO

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 31. Northwest wind 7 to 17 mph, with gusts as high as 26 mph.

    Decreasing
    Clouds

    High: 31 °F

  • Tonight

    Tonight: Mostly clear, with a low around 6. Northwest wind 11 to 16 mph, with gusts as high as 26 mph.

    Mostly Clear

    Low: 6 °F

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 18. North wind 5 to 10 mph.

    Cold

    High: 18 °F

  • Saturday
    Night

    Saturday Night: A 50 percent chance of snow after 7pm.  Cloudy, with a low around 14. Northeast wind 5 to 10 mph becoming southeast after midnight.

    Chance Snow

    Low: 14 °F

  • Sunday

    Sunday: Snow likely, mainly after 7am.  Cloudy, with a high near 30. Southeast wind 11 to 16 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Snow Likely

    High: 30 °F

  • Sunday
    Night

    Sunday Night: Snow likely, mainly before 7pm.  Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Snow Likely
    then Slight
    Chance Snow

    Low: 26 °F

  • Washington's
    Birthday

    Washington's Birthday: A 20 percent chance of snow before 7am.  Partly sunny, with a high near 43.

    Slight Chance
    Snow then
    Partly Sunny

    High: 43 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 29.

    Partly Cloudy

    Low: 29 °F

  • Tuesday

    Tuesday: A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and noon, then a slight chance of rain after noon.  Partly sunny, with a high near 48. Chance of precipitation is 20%.

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

    High: 48 °F

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 31. Northwest wind 7 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 6. Northwest wind 11 to 16 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny and cold, with a high near 18. North wind 5 to 10 mph.
Saturday Night
A 50 percent chance of snow after 7pm. Cloudy, with a low around 14. Northeast wind 5 to 10 mph becoming southeast after midnight.
Sunday
Snow likely, mainly after 7am. Cloudy, with a high near 30. Southeast wind 11 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow likely, mainly before 7pm. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Washington's Birthday
A 20 percent chance of snow before 7am. Partly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A slight chance of snow before 9am, then a slight chance of rain and snow between 9am and noon, then a slight chance of rain after noon. Partly sunny, with a high near 48. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of rain before 7pm. Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 56.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
8:55 am CST Feb 12, 2016
10am CST Feb 12, 2016-6pm CST Feb 18, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database