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

49°F

9°C

Humidity 90%
Wind Speed Calm
Barometer 30.14 in (1020.9 mb)
Dewpoint 46°F (8°C)
Visibility 5.00 mi
Last update 20 Nov 1:53 am CST
Extended Forecast for

2 Miles E Mehlville MO

  • Overnight

    Overnight: A 20 percent chance of rain after 5am. Patchy fog after 4am. Otherwise, cloudy, with a low around 47. Light southeast wind.

    Low: 47 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after 5pm. Areas of fog before 9am. Otherwise, cloudy, with a high near 60. Southeast wind 5 to 8 mph.

    High: 60 °F

    Chance Rain
    and Areas Fog

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before midnight, then rain between midnight and 3am, then rain and possibly a thunderstorm after 3am. Patchy fog before 9pm, then patchy fog after midnight. Low around 54. Light southeast wind. Chance of precipitation is 90%.

    Low: 54 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain and possibly a thunderstorm. High near 63. Light and variable wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 90%.

    High: 63 °F

    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 46. North wind 3 to 6 mph.

    Low: 46 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
A 20 percent chance of rain after 5am. Patchy fog after 4am. Otherwise, cloudy, with a low around 47. Light southeast wind.
Thursday
A 50 percent chance of rain, mainly after 5pm. Areas of fog before 9am. Otherwise, cloudy, with a high near 60. Southeast wind 5 to 8 mph.
Thursday Night
Rain likely and possibly a thunderstorm before midnight, then rain between midnight and 3am, then rain and possibly a thunderstorm after 3am. Patchy fog before 9pm, then patchy fog after midnight. Low around 54. Light southeast wind. Chance of precipitation is 90%.
Friday
Rain and possibly a thunderstorm. High near 63. Light and variable wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 90%.
Friday Night
A 50 percent chance of rain before midnight. Mostly cloudy, with a low around 46. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 45.
Monday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 60.
Monday Night
Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Mehlville MO
 38.51°N 90.29°W (Elev. 502 ft)
Last Update:
2:06 am CST Nov 20, 2025
Forecast Valid:
2am CST Nov 20, 2025-6pm CST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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