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

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

41°F

5°C

Humidity 53%
Wind Speed NE 12 mph
Barometer 30.38 in (1029.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 1 Mar 11:54 am CST
Extended Forecast for

Chesterfield MO

Winter Weather Advisory March 1, 06:00pm until March 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A 20 percent chance of rain after 5pm. Mostly cloudy, with a high near 47. Northeast wind around 10 mph.

    High: 47 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain and snow, possibly mixed with sleet before 3am, then a chance of rain. Low around 35. East wind around 8 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.

    Low: 35 °F

    Wintry Mix

  • Monday

    Monday: A 50 percent chance of rain, mainly before 8am. Cloudy, with a high near 47. East wind 6 to 8 mph.

    High: 47 °F

    Chance Rain
    then Cloudy

  • Monday Night

    Monday Night: Rain, mainly between midnight and 3am, then showers after 3am. Low around 40. East wind 3 to 6 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Showers, mainly before noon. High near 66. South wind 6 to 9 mph. Chance of precipitation is 80%.

    High: 66 °F

    Showers then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before noon. Partly sunny, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 20 percent chance of rain after 5pm. Mostly cloudy, with a high near 47. Northeast wind around 10 mph.
Tonight
Rain and snow, possibly mixed with sleet before 3am, then a chance of rain. Low around 35. East wind around 8 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Monday
A 50 percent chance of rain, mainly before 8am. Cloudy, with a high near 47. East wind 6 to 8 mph.
Monday Night
Rain, mainly between midnight and 3am, then showers after 3am. Low around 40. East wind 3 to 6 mph. Chance of precipitation is 80%.
Tuesday
Showers, mainly before noon. High near 66. South wind 6 to 9 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before noon. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Saturday
Showers likely. Cloudy, with a high near 65. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.6°W (Elev. 466 ft)
Last Update:
10:56 am CST Mar 1, 2026
Forecast Valid:
12pm CST Mar 1, 2026-6pm CST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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