Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

50°F

10°C

Humidity 71%
Wind Speed SW 13 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 18 Dec 12:51 pm CST
Extended Forecast for

Saint Louis MO

  • This
    Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 54. Southwest wind 8 to 10 mph.

    Decreasing
    Clouds

    High: 54 °F

  • Tonight

    Tonight: Mostly clear, with a low around 47. South wind around 7 mph.

    Mostly Clear

    Low: 47 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. Southwest wind around 6 mph becoming light and variable  in the afternoon.

    Partly Sunny

    High: 61 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 38. Northeast wind 3 to 6 mph.

    Mostly Cloudy

    Low: 38 °F

  • Wednesday

    Wednesday: Sunny, with a high near 53. East wind around 6 mph.

    Sunny

    High: 53 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 35.

    Mostly Clear

    Low: 35 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    Mostly Sunny

    High: 60 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 46.

    Mostly Cloudy
    then Slight
    Chance Rain

    Low: 46 °F

  • Friday

    Friday: A 50 percent chance of rain.  Mostly cloudy, with a high near 56.

    Chance Rain

    High: 56 °F

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 54. Southwest wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 47. South wind around 7 mph.
Tuesday
Partly sunny, with a high near 61. Southwest wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 38. Northeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 53. East wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 46.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Friday Night
A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 33.
Click Map For Forecast
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
12:57 pm CST Dec 18, 2017
1pm CST Dec 18, 2017-6pm CST Dec 24, 2017
 
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