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

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Overcast

61°F

16°C

Humidity 46%
Wind Speed Calm
Barometer 29.94 in (1014.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 28 Feb 4:54 pm CST
Extended Forecast for

Weldon Spring Heights MO

  • This Afternoon

    This Afternoon: A 20 percent chance of rain and thunderstorms. Partly sunny, with a high near 65. West wind around 6 mph.

    High: 65 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of rain and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 31. North wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 46. Northeast wind 8 to 10 mph.

    High: 46 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain and snow likely. Cloudy, with a low around 32. East wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Rain likely, mainly before noon. Cloudy, with a high near 44. East wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm before 3pm, then rain likely. High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain and thunderstorms. Partly sunny, with a high near 65. West wind around 6 mph.
Tonight
A 20 percent chance of rain and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 31. North wind 5 to 10 mph, with gusts as high as 21 mph.
Sunday
Increasing clouds, with a high near 46. Northeast wind 8 to 10 mph.
Sunday Night
Rain and snow likely. Cloudy, with a low around 32. East wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
Rain likely, mainly before noon. Cloudy, with a high near 44. East wind 7 to 9 mph. Chance of precipitation is 60%.
Monday Night
Rain. Low around 40. Chance of precipitation is 80%.
Tuesday
Rain and possibly a thunderstorm before 3pm, then rain likely. High near 65. Chance of precipitation is 90%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Thursday
Rain likely. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain and thunderstorms. Partly cloudy, with a low around 55.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Saturday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring Heights MO
 38.7°N 90.68°W (Elev. 591 ft)
Last Update:
4:36 pm CST Feb 28, 2026
Forecast Valid:
5pm CST Feb 28, 2026-6pm CST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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