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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

65°F

18°C

Humidity 84%
Wind Speed E 8 mph
Barometer 30.15 in (1020.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 22 Sep 8:54 am CDT
Extended Forecast for

Spirit Of St. Louis Airport MO

  • Today

    Today: Mostly cloudy, with a high near 74. Northeast wind around 7 mph.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Northeast wind 3 to 7 mph.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75. North wind 3 to 7 mph.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. Northeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 74. Northeast wind around 7 mph.
Tonight
Mostly cloudy, with a low around 56. Northeast wind 3 to 7 mph.
Wednesday
Partly sunny, with a high near 75. North wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 57. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Mostly cloudy, with a high near 75.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spirit Of St. Louis Airport MO
 38.65°N 90.63°W (Elev. 495 ft)
Last Update:
6:51 am CDT Sep 22, 2026
Forecast Valid:
9am CDT Sep 22, 2026-6pm CDT Sep 28, 2026
 
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