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

Monsoon and Heavy Rain This Weekend

Monsoonal showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region and Southwest to the central Rockies through midweek. A tropical wave is expected to move inland in South Texas today and bring widespread rainfall and thunderstorms to the region into Monday. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Partly Cloudy

80°F

27°C

Humidity 54%
Wind Speed SW 9 mph
Barometer 29.94 in (1012.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Aug 1:51 am CDT
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 71. Southwest wind around 7 mph.

    Mostly Cloudy

    Low: 71 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph becoming northwest in the afternoon.

    Mostly Sunny

    High: 89 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 68. North wind 3 to 7 mph.

    Partly Cloudy

    Low: 68 °F

  • Monday

    Monday: Partly sunny, with a high near 83. North wind 5 to 7 mph.

    Partly Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 66. Northeast wind 3 to 7 mph.

    Mostly Cloudy
    then Slight
    Chance
    Showers

    Low: 66 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 77.

    Chance
    Showers

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 64.

    Chance
    Showers

    Low: 64 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81.

    Slight Chance
    Showers

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 71. Southwest wind around 7 mph.
Sunday
Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph becoming northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 68. North wind 3 to 7 mph.
Monday
Partly sunny, with a high near 83. North wind 5 to 7 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 66. Northeast wind 3 to 7 mph.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 77.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 64.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Louis MO
 38.62°N 90.26°W (Elev. 486 ft)
Last Update:
1:11 am CDT Aug 14, 2022
Forecast Valid:
2am CDT Aug 14, 2022-6pm CDT Aug 20, 2022
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation