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 Rain and Breezy

38°F

3°C

Humidity 70%
Wind Speed W 21 G 31 mph
Barometer 29.86 in (1011.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 16 Jan 7:53 pm CST
Extended Forecast for

3 Miles ESE Crystal City MO

  • Tonight

    Tonight: A chance of snow, mainly before midnight, then a chance of flurries after 3am. Mostly cloudy, with a low around 20. West wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 20 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 30. West wind 8 to 13 mph, with gusts as high as 25 mph.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 7. Northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 21 mph.

    Low: 7 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 36. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14. West wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of snow, mainly before midnight, then a chance of flurries after 3am. Mostly cloudy, with a low around 20. West wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 30. West wind 8 to 13 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 7. Northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 21 mph.
Sunday
Mostly sunny, with a high near 36. Light west wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 14. West wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
M.L.King Day
Sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 40.
Thursday Night
A chance of rain or freezing rain. Partly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
A 20 percent chance of rain. Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Crystal City MO
 38.2°N 90.34°W (Elev. 377 ft)
Last Update:
7:57 pm CST Jan 16, 2026
Forecast Valid:
9pm CST Jan 16, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation