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 with Haze

90°F

32°C

Humidity 59%
Wind Speed W 9 mph
Barometer 30.00 in (1014.8 mb)
Dewpoint 74°F (23°C)
Visibility 6.00 mi
Heat Index99°F (37°C)
Last update 30 Jun 11:54 am CDT
Extended Forecast for

Valley Park MO

Extreme Heat Warning June 30, 12:00pm until July 3, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 12:00pm until July 3, 10:00pm

    NOW until 10:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming southwest around 6 mph in the morning.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 78. South wind around 5 mph becoming calm after midnight.

    Low: 78 °F

    Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

    Low: 76 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 107. Southwest wind around 7 mph.
Tonight
Clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming southwest around 6 mph in the morning.
Wednesday Night
Clear, with a low around 78. South wind around 5 mph becoming calm after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 77. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Independence Day
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Valley Park MO
 38.56°N 90.49°W (Elev. 492 ft)
Last Update:
11:36 am CDT Jun 30, 2026
Forecast Valid:
12pm CDT Jun 30, 2026-6pm CDT Jul 6, 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