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.

Light Rain

74°F

23°C

Humidity 85%
Wind Speed Vrbl 3 mph
Barometer 29.78 in (1007.8 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 21 Jun 10:54 am CDT
Extended Forecast for

Fenton MO

Flood Watch until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 22, 01:00am

    NOW until 1:00am Mon

    Flood Watch

  • Today

    High: 83 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then isolated showers between midnight and 4am. Cloudy, with a low around 64. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    Low: 64 °F

    T-storms
    Likely then
    Isolated
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 78. North wind around 8 mph.

    High: 78 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. North wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light east wind.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm. High near 83. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely before midnight, then isolated showers between midnight and 4am. Cloudy, with a low around 64. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Monday
Mostly cloudy, with a high near 78. North wind around 8 mph.
Monday Night
Partly cloudy, with a low around 61. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 83. Light east wind.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 64. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fenton MO
 38.51°N 90.44°W (Elev. 430 ft)
Last Update:
8:51 am CDT Jun 21, 2026
Forecast Valid:
11am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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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