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

Multiple Hazards through Upcoming Weekend

The threat of severe thunderstorms will exist in the Midwest and Ohio Valley through Friday. Elevated to critical fire weather conditions will be in place across the Four-Corners through the weekend. Early season heat with likely record high temperatures will spread from the South into the Ohio Valley, Mid-Atlantic, and Northeast on Friday, Saturday and perhaps Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

71°F

22°C

Humidity 84%
Wind Speed SE 3 mph
Barometer 29.47 in (997.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 20 May 5:54 am CDT
Extended Forecast for

Chesterfield MO

  • Today

    Today: Mostly sunny, with a high near 88. Southwest wind 11 to 16 mph, with gusts as high as 30 mph.

    Mostly Sunny

    High: 88 °F

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 64. Southwest wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 64 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 78. North wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 70%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 78 °F

  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 52. Northwest wind 7 to 9 mph. Chance of precipitation is 80%.

    T-storms then
    Showers

    Low: 52 °F

  • Sunday

    Sunday: Partly sunny, with a high near 68. North wind 7 to 9 mph.

    Partly Sunny

    High: 68 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 50.

    Partly Cloudy

    Low: 50 °F

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 71.

    Mostly Sunny
    then Slight
    Chance
    Showers

    High: 71 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 56.

    Chance
    Showers

    Low: 56 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 80%.

    Showers

    High: 72 °F

Detailed Forecast

Today
Mostly sunny, with a high near 88. Southwest wind 11 to 16 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 64. Southwest wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 78. North wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 52. Northwest wind 7 to 9 mph. Chance of precipitation is 80%.
Sunday
Partly sunny, with a high near 68. North wind 7 to 9 mph.
Sunday Night
Partly cloudy, with a low around 50.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 71.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Wednesday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 74.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
Last Update:
5:41 am CDT May 20, 2022
Forecast Valid:
6am CDT May 20, 2022-6pm CDT May 26, 2022
 
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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