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.

Fog/Mist

52°F

11°C

Humidity 89%
Wind Speed NW 15 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 49°F (9°C)
Visibility 3.00 mi
Wind Chill47°F (8°C)
Last update 7 Mar 11:54 am CST
Extended Forecast for

3 Miles ESE Weldon Spring MO

  • This Afternoon

    This Afternoon: Cloudy, with a temperature falling to around 47 by 5pm. West wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 62 °F⇓

    Cloudy

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 35. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 47. Southwest wind around 7 mph.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain and thunderstorms after midnight. Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before noon, then a chance of rain. High near 64. Chance of precipitation is 80%.

    High: 64 °F

    Rain then
    Chance Rain

Detailed Forecast

This Afternoon
Cloudy, with a temperature falling to around 47 by 5pm. West wind 10 to 17 mph, with gusts as high as 24 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 35. Northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 47. Southwest wind around 7 mph.
Monday
Sunny, with a high near 80. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Monday Night
A 30 percent chance of rain and thunderstorms after midnight. Mostly clear, with a low around 59.
Tuesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 81. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 51. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before noon, then a chance of rain. High near 64. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Mostly cloudy, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Weldon Spring MO
 38.7°N 90.6°W (Elev. 446 ft)
Last Update:
11:31 am CST Mar 7, 2026
Forecast Valid:
12pm CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Chance of Precipitation