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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast and Windy

42°F

6°C

Humidity 71%
Wind Speed NW 26 G 38 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 9 Nov 2:53 am CST
Extended Forecast for

Festus MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. Northwest wind around 15 mph, with gusts as high as 31 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of flurries. Cloudy through mid morning, then gradual clearing, with a high near 41. Northwest wind 14 to 17 mph, with gusts as high as 30 mph.

    High: 41 °F

    Chance
    Flurries

  • Sunday Night

    Sunday Night: A chance of flurries before 7pm. Partly cloudy, with a low around 22. Northwest wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 41. Northwest wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. West wind around 6 mph becoming calm.

    Low: 23 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. Northwest wind around 15 mph, with gusts as high as 31 mph.
Sunday
A chance of flurries. Cloudy through mid morning, then gradual clearing, with a high near 41. Northwest wind 14 to 17 mph, with gusts as high as 30 mph.
Sunday Night
A chance of flurries before 7pm. Partly cloudy, with a low around 22. Northwest wind 9 to 13 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 41. Northwest wind 7 to 14 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 23. West wind around 6 mph becoming calm.
Veterans Day
Partly sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.22°N 90.42°W (Elev. 499 ft)
Last Update:
3:16 am CST Nov 9, 2025
Forecast Valid:
3am CST Nov 9, 2025-6pm CST Nov 15, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation