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

69°F

21°C

Humidity 32%
Wind Speed S 14 G 28 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 3 May 12:54 pm CDT
Extended Forecast for

Weldon Spring MOSimilar City Names

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Southwest wind 11 to 15 mph, with gusts as high as 29 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 80. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 54. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 54 °F

    T-storms
    Likely then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 65. South wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    High: 65 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Southwest wind 11 to 15 mph, with gusts as high as 29 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 80. Southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 54. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 65. South wind 7 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Tuesday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 43.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 59.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 45.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring MOSimilar City Names
 38.72°N 90.65°W (Elev. 584 ft)
Last Update:
1:01 pm CDT May 3, 2026
Forecast Valid:
1pm CDT May 3, 2026-6pm CDT May 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation