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.

Light Rain Fog/Mist

44°F

7°C

Humidity 96%
Wind Speed E 6 mph
Barometer 29.86 in (1011.3 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill41°F (5°C)
Last update 15 Feb 1:53 am CST
Extended Forecast for

2 Miles SE Crystal City MO

  • Overnight

    Overnight: Rain, mainly before 5am. Low around 42. Calm wind becoming north around 6 mph. Chance of precipitation is 100%.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 56. North wind 3 to 8 mph.

    High: 56 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Fog

  • Washington's Birthday

    Washington's Birthday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming south 5 to 8 mph in the morning.

    High: 64 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. South wind around 7 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain, mainly before 5am. Low around 42. Calm wind becoming north around 6 mph. Chance of precipitation is 100%.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 56. North wind 3 to 8 mph.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 33. Calm wind.
Washington's Birthday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming south 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 40.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 55.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 30.
Saturday
Sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Crystal City MO
 38.2°N 90.36°W (Elev. 692 ft)
Last Update:
2:41 am CST Feb 15, 2026
Forecast Valid:
2am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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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