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

82°F

28°C

Humidity 79%
Wind Speed SW 7 mph
Barometer 29.76 in (1006.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 27 Jul 11:54 pm CDT
Extended Forecast for

Valley Park MO

Heat Advisory July 28, 12:21am until July 28, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 28, 12:21am until July 28, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Overnight

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. Heat index values as high as 106. Northwest wind 5 to 7 mph becoming north in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 71. North wind 5 to 7 mph becoming calm in the evening.

    Low: 71 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 79. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 95. Heat index values as high as 106. Northwest wind 5 to 7 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 71. North wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89. Calm wind becoming northeast around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Park MO
 38.56°N 90.46°W (Elev. 492 ft)
Last Update:
11:51 pm CDT Jul 27, 2026
Forecast Valid:
12am CDT Jul 28, 2026-6pm CDT Aug 3, 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