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Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

28°F

-2°C

Humidity 41%
Wind Speed SW 6 mph
Barometer 30.02 in (1017.8 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 12 Dec 11:51 pm CST
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Mostly clear, with a low around 27. Calm wind becoming south 5 to 8 mph.

    Mostly Clear

    Low: 27 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. South wind 9 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.

    Mostly Sunny

    High: 54 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 29. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.

    Mostly Cloudy

    Low: 29 °F

  • Thursday

    Thursday: Partly sunny, with a high near 36. North wind 3 to 7 mph.

    Partly Sunny

    High: 36 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 27. Light west wind.

    Mostly Cloudy

    Low: 27 °F

  • Friday

    Friday: Mostly sunny, with a high near 41.

    Mostly Sunny

    High: 41 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 30.

    Partly Cloudy

    Low: 30 °F

  • Saturday

    Saturday: Sunny, with a high near 55.

    Sunny

    High: 55 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 36.

    Partly Cloudy

    Low: 36 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Calm wind becoming south 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 54. South wind 9 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
Mostly cloudy, with a low around 29. Northwest wind 9 to 17 mph, with gusts as high as 30 mph.
Thursday
Partly sunny, with a high near 36. North wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 27. Light west wind.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 50.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Monday
A 20 percent chance of rain. Mostly sunny, with a high near 50.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 33.
Tuesday
Sunny, with a high near 50.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
11:56 pm CST Dec 12, 2017
12am CST Dec 13, 2017-6pm CST Dec 18, 2017
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database