National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Unsettled West; Tranquil East

The theme this week is for active and unsettled weather in the Western U.S., as a few storms impact the region. One system will track from California to the central Plains over the next two days with heavy snow for the Wyoming terrain. A more significant storm is possible this weekend for the West, especially in California. Meanwhile, the East will be tranquil this week with mild temperatures. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

76°F

24°C

Humidity 33%
Wind Speed SW 8 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Oct 2:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Mostly clear, with a low around 48. South wind 3 to 6 mph.

    Mostly Clear

    Low: 48 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Light south wind increasing to 5 to 10 mph in the morning.

    Mostly Sunny

    High: 75 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 53. South wind 5 to 7 mph.

    Mostly Clear

    Low: 53 °F

  • Wednesday

    Wednesday: Scattered showers between 1pm and 4pm, then scattered showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.

    Sunny then
    Scattered
    Showers

    High: 78 °F

  • Wednesday
    Night

    Wednesday Night: Isolated showers and thunderstorms before 10pm, then isolated showers between 10pm and 1am. Partly cloudy, with a low around 53. West wind around 8 mph. Chance of precipitation is 20%.

    Isolated
    T-storms then
    Isolated
    Showers

    Low: 53 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    Mostly Sunny

    High: 66 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Mostly Cloudy

    Low: 50 °F

  • Friday

    Friday: Partly sunny, with a high near 64.

    Partly Sunny

    High: 64 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 47.

    Partly Cloudy

    Low: 47 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 48. South wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 75. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 53. South wind 5 to 7 mph.
Wednesday
Scattered showers between 1pm and 4pm, then scattered showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Isolated showers and thunderstorms before 10pm, then isolated showers between 10pm and 1am. Partly cloudy, with a low around 53. West wind around 8 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 65.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 70.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
2:56 pm CDT Oct 18, 2021
Forecast Valid:
3pm CDT Oct 18, 2021-6pm CDT Oct 25, 2021
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation