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

72°F

22°C

Humidity 91%
Wind Speed E 5 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 26 Jun 9:54 am CDT
Extended Forecast for

Cottleville MO

Flood Watch June 26, 10:35am until June 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 26, 10:35am until June 26, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • Today

    High: 80 °F

    Showers then
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 66. North wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Calm wind.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Southeast wind 3 to 6 mph.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 93. South wind 6 to 9 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

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

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Today
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 80. Southeast wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 66. North wind around 6 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Calm wind.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Southeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 93. South wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottleville MO
 38.76°N 90.65°W (Elev. 499 ft)
Last Update:
3:36 am CDT Jun 26, 2026
Forecast Valid:
10am CDT Jun 26, 2026-6pm CDT Jul 2, 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