National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

73°F

23°C

Humidity 84%
Wind Speed SE 3 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 22 Jun 4:53 am CDT
Extended Forecast for

Mehlville MO

  • Today

    Today: Sunny, with a high near 96. Heat index values as high as 100. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 74. Southwest wind 6 to 8 mph.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 92. Heat index values as high as 100. Northwest wind around 8 mph.

    High: 92 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Northwest wind around 6 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Light and variable wind.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 96. Heat index values as high as 100. Light south wind becoming southwest 5 to 10 mph in the morning.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 74. Southwest wind 6 to 8 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 92. Heat index values as high as 100. Northwest wind around 8 mph.
Sunday Night
Mostly clear, with a low around 72. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 98. Light and variable wind.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 70.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 94.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Mehlville MO
 38.49°N 90.29°W (Elev. 479 ft)
Last Update:
5:06 am CDT Jun 22, 2024
Forecast Valid:
5am CDT Jun 22, 2024-6pm CDT Jun 28, 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