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Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

66°F

19°C

Humidity 25%
Wind Speed W 8 mph
Barometer 29.77 in (1008.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 13 Jan 1:53 pm CST
Extended Forecast for

Lemay MO

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 66. West wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 66 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain before 1am, then a chance of sprinkles after 4am. Mostly cloudy, with a low around 38. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of sprinkles, mixing with flurries after 8am, then gradually ending. Mostly cloudy through mid morning, then gradual clearing, with a temperature falling to around 32 by 5pm. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 39 °F⇓

    Chance
    Sprinkles/Flurries
    then Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 19. North wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 34. Northwest wind around 6 mph becoming south in the afternoon.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 66. West wind 8 to 11 mph, with gusts as high as 25 mph.
Tonight
A chance of rain before 1am, then a chance of sprinkles after 4am. Mostly cloudy, with a low around 38. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A chance of sprinkles, mixing with flurries after 8am, then gradually ending. Mostly cloudy through mid morning, then gradual clearing, with a temperature falling to around 32 by 5pm. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
Clear, with a low around 19. North wind 6 to 11 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 34. Northwest wind around 6 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 45.
Friday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Sunny, with a high near 26.
Sunday Night
Mostly clear, with a low around 14.
M.L.King Day
Sunny, with a high near 36.
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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:
1:01 pm CST Jan 13, 2026
Forecast Valid:
2pm CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation