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

77°F

25°C

Humidity 71%
Wind Speed SE 5 mph
Barometer 29.98 in (1014.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 24 Jun 7:54 am CDT
Extended Forecast for

Weldon Spring MO

Heat Advisory June 25, 12:00pm until June 25, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming south 5 to 7 mph in the morning.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 7 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly after 1am. Low around 71. Southwest wind 5 to 7 mph. Chance of precipitation is 80%.

    Low: 71 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 87. West wind 5 to 8 mph becoming north in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

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

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming south 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 77. South wind around 7 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms, mainly after 1am. Low around 71. Southwest wind 5 to 7 mph. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 87. West wind 5 to 8 mph becoming north in the afternoon.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring MO
 38.72°N 90.63°W (Elev. 541 ft)
Last Update:
6:53 am CDT Jun 24, 2024
Forecast Valid:
7am CDT Jun 24, 2024-6pm CDT Jun 30, 2024
 
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