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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 70%
Wind Speed S 13 G 32 mph
Barometer 29.33 in (992.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Mar 3:53 pm CDT
Extended Forecast for

4 Miles SSE Smithton IL

Tornado Watch March 15, 04:55pm until March 15, 08:00pm
Wind Advisory March 15, 04:55pm until March 16, 12:00pm
Click here for hazard details and duration
Tornado Watch
Wind Advisory
  •  
    Tornado Watch March 15, 04:55pm until March 15, 08:00pm
    Wind Advisory March 15, 04:55pm until March 16, 12:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 64 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Rain and snow before 3am, then scattered flurries between 3am and 4am, then a slight chance of snow after 4am. Some thunder is also possible. Low around 24. Breezy, with a west wind 23 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Rain/Snow and
    Breezy

  • Monday

    Monday: Scattered flurries with a slight chance of snow before noon, then scattered flurries between noon and 1pm. Cloudy, with a high near 29. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 29 °F

    Blustery.
    Slight Chance
    Snow then
    Scattered
    Flurries

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Northwest wind 10 to 18 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Northwest wind 5 to 7 mph becoming southwest in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Some of the storms could be severe. Steady temperature around 64. Breezy, with a southwest wind around 28 mph, with gusts as high as 41 mph. Chance of precipitation is 80%.
Tonight
Rain and snow before 3am, then scattered flurries between 3am and 4am, then a slight chance of snow after 4am. Some thunder is also possible. Low around 24. Breezy, with a west wind 23 to 25 mph, with gusts as high as 45 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. Cloudy, with a high near 29. Blustery, with a northwest wind 22 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 15. Northwest wind 10 to 18 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 36. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of snow between 1am and 4am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Smithton IL
 38.37°N 89.96°W (Elev. 410 ft)
Last Update:
4:26 pm CDT Mar 15, 2026
Forecast Valid:
4pm 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