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

46°F

8°C

Humidity 100%
Wind Speed SE 7 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 46°F (8°C)
Visibility 1.00 mi
Wind Chill42°F (6°C)
Last update 27 Dec 6:54 am CST
Extended Forecast for

2 Miles S Pacific MO

Dense Fog Advisory December 27, 07:47am until December 27, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 27, 07:47am until December 27, 09:00am

    NOW until 9:00am Sat

    Dense Fog Advisory

  • Today

    High: 67 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 59. South wind 3 to 5 mph.

    Low: 59 °F

    Cloudy then
    Slight Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Temperature rising to near 72 by 11am, then falling to around 55 during the remainder of the day. South wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    High: 72 °F⇓

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 17. West wind 13 to 15 mph, with gusts as high as 33 mph.

    Low: 17 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 28. Northwest wind 10 to 14 mph, with gusts as high as 33 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Today
Areas of dense fog before 10am. Otherwise, mostly cloudy, with a high near 67. Calm wind becoming southeast around 6 mph in the morning.
Tonight
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 59. South wind 3 to 5 mph.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Temperature rising to near 72 by 11am, then falling to around 55 during the remainder of the day. South wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of showers before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 17. West wind 13 to 15 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 28. Northwest wind 10 to 14 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Sunny, with a high near 36.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 23.
New Year's Day
Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Pacific MO
 38.46°N 90.75°W (Elev. 446 ft)
Last Update:
7:11 am CST Dec 27, 2025
Forecast Valid:
7am CST Dec 27, 2025-6pm CST Jan 2, 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