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

81°F

27°C

Humidity 79%
Wind Speed Vrbl 7 mph
Barometer 29.70 in (1005.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 Jun 3:54 pm CDT
Extended Forecast for

High Ridge MO

Flood Watch June 21, 04:15pm until June 22, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 21, 04:15pm until June 22, 07:00am

    NOW until 7:00am Mon

    Flood Watch

  • This Afternoon

    High: 79 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 64. Southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind around 8 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. North wind around 6 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. Light east wind.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 79. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 64. Southwest wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind around 8 mph.
Monday Night
Partly cloudy, with a low around 60. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Light east wind.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 63.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
High Ridge MO
 38.47°N 90.55°W (Elev. 748 ft)
Last Update:
1:26 pm CDT Jun 21, 2026
Forecast Valid:
4pm CDT Jun 21, 2026-6pm CDT Jun 28, 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