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.

Fair

64°F

18°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 12 Oct 1:53 am CDT
Extended Forecast for

2 Miles SSE Festus MO

  • Overnight

    Overnight: Mostly clear, with a low around 61. Light and variable wind becoming southwest around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 94. Southwest wind 5 to 9 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Southwest wind 5 to 7 mph.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Heat index values as high as 104. Southwest wind 3 to 7 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 100%.

    High: 84 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Light and variable wind becoming southwest around 5 mph.
Columbus Day
Sunny, with a high near 94. Southwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 68. Southwest wind 5 to 7 mph.
Tuesday
Sunny and hot, with a high near 97. Heat index values as high as 104. Southwest wind 3 to 7 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind 3 to 6 mph.
Wednesday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 100%.
Wednesday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 35.
Sunday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Festus MO
 38.2°N 90.39°W (Elev. 495 ft)
Last Update:
1:41 am CDT Oct 12, 2026
Forecast Valid:
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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