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.

Thunderstorm Rain Fog/Mist and Windy

47°F

8°C

Humidity 90%
Wind Speed W 26 G 40 mph
Barometer 29.37 in (994.4 mb)
Dewpoint 44°F (7°C)
Visibility 2.50 mi
Wind Chill39°F (4°C)
Last update 15 Mar 4:54 pm CDT
Extended Forecast for

Weldon Spring MOSimilar City Names

Tornado Watch March 15, 04:57pm until March 15, 08:00pm
Wind Advisory March 15, 04:57pm until March 16, 12:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch March 15, 04:57pm until March 15, 08:00pm
    Wind Advisory March 15, 04:57pm until March 16, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 69 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Rain and snow likely before 10pm, then a chance of snow. Cloudy, with a low around 21. Breezy, with a west wind 23 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance Snow

  • Monday

    Monday: A slight chance of snow before 10am, then scattered flurries between 10am and 11am. Cloudy, with a high near 28. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.

    High: 28 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of rain before 7am. Mostly sunny, with a high near 63.

    High: 63 °F

    Chance Rain
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 69. Breezy, with a southwest wind around 24 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Tonight
Rain and snow likely before 10pm, then a chance of snow. Cloudy, with a low around 21. Breezy, with a west wind 23 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A slight chance of snow before 10am, then scattered flurries between 10am and 11am. Cloudy, with a high near 28. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 13. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind 5 to 7 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 4am, then a chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of rain before 7am. Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring MOSimilar City Names
 38.72°N 90.65°W (Elev. 584 ft)
Last Update:
4:26 pm CDT Mar 15, 2026
Forecast Valid:
4pm CDT Mar 15, 2026-6pm CDT Mar 22, 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