National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Lake Effect Snow and Chilly in the East; Storms Return to the West this Weekend

Remnants of a powerful storm and current ice free Great Lakes is causing lingering heavy snow and some blizzard conditions to continue downwind of the Great lakes. Snow and wind will slowly diminish this weekend. Meanwhile, a new system will move south along the West Coast. Lower elevation rain with heavy mountain snow will overspread the West to the Rockies. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

44°F

7°C

Humidity 63%
Wind Speed W 18 mph
Barometer 30.08 in (1019.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 28 Feb 12:51 pm CST
Extended Forecast for

Saint Charles MO

  • This
    Afternoon

    This Afternoon: Scattered showers. Mostly cloudy, with a high near 44. Northwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Scattered
    Showers

    High: 44 °F

  • Tonight

    Tonight: Isolated showers before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.

    Isolated
    Showers then
    Mostly Clear

    Low: 25 °F

  • Saturday

    Saturday: Sunny, with a high near 55. Calm wind becoming south 5 to 9 mph in the morning.

    Sunny

    High: 55 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 43. South wind 8 to 10 mph.

    Mostly Clear

    Low: 43 °F

  • Sunday

    Sunday: Mostly cloudy, with a high near 64. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Mostly Cloudy

    High: 64 °F

  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.

    Showers
    Likely

    Low: 47 °F

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    High: 54 °F

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 39 °F

  • Tuesday

    Tuesday: Rain likely, mainly after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

    Chance Rain
    then Rain
    Likely

    High: 52 °F

Detailed Forecast

This Afternoon
Scattered showers. Mostly cloudy, with a high near 44. Northwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Tonight
Isolated showers before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 55. Calm wind becoming south 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 43. South wind 8 to 10 mph.
Sunday
Mostly cloudy, with a high near 64. South wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Tuesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 55.
Wednesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 56.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Charles MO
 38.78°N 90.51°W (Elev. 597 ft)
Last Update:
12:12 pm CST Feb 28, 2020
Forecast Valid:
1pm CST Feb 28, 2020-6pm CST Mar 5, 2020
 
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Additional Resources

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Chance of Precipitation