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.

Fog/Mist

59°F

15°C

Humidity 93%
Wind Speed S 15 G 26 mph
Barometer 29.64 in (1003.7 mb)
Dewpoint 57°F (14°C)
Visibility 6.00 mi
Last update 8 Jan 12:53 pm CST
Extended Forecast for

Festus MO

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 66. Southeast wind 7 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and midnight. Low around 46. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Showers then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 55. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 23.

    Low: 23 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 66. Southeast wind 7 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and midnight. Low around 46. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 55. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Light and variable wind.
Saturday
Mostly sunny, with a high near 48. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 38.
Sunday Night
Clear, with a low around 23.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 44.
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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:
2:01 pm CST Jan 8, 2026
Forecast Valid:
2pm CST Jan 8, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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