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.

A Few Clouds

35°F

2°C

Humidity 64%
Wind Speed NE 14 mph
Barometer 30.40 in (1029.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 1 Mar 9:54 am CST
Extended Forecast for

Weldon Spring MO

Winter Weather Advisory March 1, 06:00pm until March 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 20 percent chance of rain after 5pm. Mostly cloudy, with a high near 48. Northeast wind around 10 mph.

    High: 48 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: Rain, snow, and sleet, becoming all rain after 2am. Low around 33. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than one inch possible.

    Low: 33 °F

    Wintry Mix

  • Monday

    Monday: A chance of rain, mainly before 9am, then a slight chance of showers after noon. Cloudy, with a high near 46. East wind 6 to 9 mph. Chance of precipitation is 40%.

    High: 46 °F

    Chance Rain

  • Monday Night

    Monday Night: Showers. Low around 42. East wind around 6 mph. Chance of precipitation is 80%.

    Low: 42 °F

    Showers

  • Tuesday

    Tuesday: Showers, mainly before noon. High near 64. South wind 6 to 9 mph. Chance of precipitation is 90%.

    High: 64 °F

    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers, with thunderstorms also possible after 3am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before noon. Partly sunny, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of rain after 5pm. Mostly cloudy, with a high near 48. Northeast wind around 10 mph.
Tonight
Rain, snow, and sleet, becoming all rain after 2am. Low around 33. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than one inch possible.
Monday
A chance of rain, mainly before 9am, then a slight chance of showers after noon. Cloudy, with a high near 46. East wind 6 to 9 mph. Chance of precipitation is 40%.
Monday Night
Showers. Low around 42. East wind around 6 mph. Chance of precipitation is 80%.
Tuesday
Showers, mainly before noon. High near 64. South wind 6 to 9 mph. Chance of precipitation is 90%.
Tuesday Night
Showers, with thunderstorms also possible after 3am. Low around 55. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before noon. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
Showers likely. Cloudy, with a high near 64. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Weldon Spring MO
 38.72°N 90.65°W (Elev. 584 ft)
Last Update:
8:26 am CST Mar 1, 2026
Forecast Valid:
10am CST Mar 1, 2026-6pm CST Mar 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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