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

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

64°F

18°C

Humidity 87%
Wind Speed Calm
Barometer 30.11 in (1019.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 24 Jul 3:54 am CDT
Extended Forecast for

Fenton MO

Extreme Heat Watch July 26, 11:00am until July 28, 07:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Today

    Today: A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 79. Light and variable wind.

    High: 79 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 67. Light south wind.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 89. Heat index values as high as 101. Light south wind.

    High: 89 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Calm wind.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Today
A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 79. Light and variable wind.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 67. Light south wind.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 89. Heat index values as high as 101. Light south wind.
Saturday Night
Partly cloudy, with a low around 73. Calm wind.
Sunday
Mostly sunny, with a high near 95. Calm wind.
Sunday Night
Mostly clear, with a low around 76.
Monday
Mostly sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 72.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fenton MO
 38.51°N 90.44°W (Elev. 430 ft)
Last Update:
3:26 am CDT Jul 24, 2026
Forecast Valid:
4am CDT Jul 24, 2026-6pm CDT Jul 30, 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