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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast and Breezy

54°F

12°C

Humidity 72%
Wind Speed N 24 G 33 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 27 Mar 12:53 am CDT
Extended Forecast for

Lemay MO

  • Overnight

    Overnight: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3am. Low around 41. North wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    Low: 41 °F

    Rain

  • Friday

    Friday: A chance of rain and thunderstorms before 8am, then a slight chance of rain between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 55. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 55 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3am. Low around 41. North wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Friday
A chance of rain and thunderstorms before 8am, then a slight chance of rain between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 55. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 33. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 41. South wind around 6 mph.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 86.
Monday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 64.
Tuesday
A 20 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 88.
Tuesday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 60.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 80.
Wednesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 57.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lemay MO
 38.53°N 90.29°W (Elev. 456 ft)
Last Update:
10:41 pm CDT Mar 26, 2026
Forecast Valid:
1am CDT Mar 27, 2026-6pm CDT Apr 2, 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