National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Snow and Windy

28°F

-2°C

Humidity 66%
Wind Speed NW 28 G 40 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 28 Dec 9:53 pm CST
Extended Forecast for

Festus MO

Wind Advisory until December 29, 06:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 29, 06:00am

    NOW until 6:00am Mon

    Wind Advisory

  • Tonight

    Low: 17 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30. Northwest wind 11 to 18 mph, with gusts as high as 33 mph.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Northwest wind 5 to 8 mph, with gusts as high as 21 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. West wind 3 to 6 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. West wind 3 to 5 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Breezy, with a west wind 17 to 20 mph, with gusts as high as 39 mph.
Monday
Mostly sunny, with a high near 30. Northwest wind 11 to 18 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind 5 to 8 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 38. West wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 27. West wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 26.
New Year's Day
Sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.22°N 90.42°W (Elev. 499 ft)
Last Update:
9:26 pm CST Dec 28, 2025
Forecast Valid:
9pm CST Dec 28, 2025-6pm CST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation