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.

A Few Clouds

77°F

25°C

Humidity 66%
Wind Speed S 12 G 23 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 3 Apr 10:53 am CDT
Extended Forecast for

Lemay MO

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, with a high near 82. South wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 58. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    Low: 58 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 4pm. Temperature falling to around 57 by 5pm. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 62 °F⇓

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Northwest wind 6 to 10 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, with a high near 82. South wind 9 to 13 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 58. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 4pm. Temperature falling to around 57 by 5pm. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 41. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 61. Northwest wind 6 to 10 mph.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lemay MO
 38.53°N 90.29°W (Elev. 456 ft)
Last Update:
8:31 am CDT Apr 3, 2026
Forecast Valid:
11am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
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