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.

Overcast

66°F

19°C

Humidity 68%
Wind Speed S 20 G 36 mph
Barometer 29.37 in (994.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Mar 2:53 pm CDT
Extended Forecast for

3 Miles NNW Maeystown IL

Tornado Watch March 15, 03:04pm until March 15, 08:00pm
Wind Advisory March 15, 03:04pm until March 16, 12:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch March 15, 03:04pm until March 15, 08:00pm
    Wind Advisory March 15, 03:04pm until March 16, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 66 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Rain and snow before 2am, then scattered flurries between 2am and 5am, then a slight chance of snow after 5am. Some thunder is also possible. Low around 22. Breezy, with a west wind around 23 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Rain/Snow and
    Breezy then
    Slight Chance
    Snow and
    Blustery

  • Monday

    Monday: Scattered flurries with a slight chance of snow before noon, then scattered flurries between noon and 1pm. Mostly cloudy, with a high near 30. Blustery, with a west wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 30 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a steady temperature around 35.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 66. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
Tonight
Rain and snow before 2am, then scattered flurries between 2am and 5am, then a slight chance of snow after 5am. Some thunder is also possible. Low around 22. Breezy, with a west wind around 23 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Scattered flurries with a slight chance of snow before noon, then scattered flurries between noon and 1pm. Mostly cloudy, with a high near 30. Blustery, with a west wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 15. Northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a steady temperature around 35.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Maeystown IL
 38.26°N 90.25°W (Elev. 656 ft)
Last Update:
3:01 pm CDT Mar 15, 2026
Forecast Valid:
3pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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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