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.

Light Rain

36°F

2°C

Humidity 86%
Wind Speed W 17 G 29 mph
Barometer 29.60 in (1002.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 15 Mar 9:53 pm CDT
Extended Forecast for

Smithton IL

Wind Advisory March 15, 10:10pm until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 15, 10:10pm until March 16, 12:00pm

    NOW until 12:00pm Mon

    Wind Advisory

  • Tonight

    Low: 23 °F

    Chance
    Rain/Snow and
    Blustery

  • 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. Southeast wind 5 to 13 mph, with gusts as high as 21 mph. 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

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Tonight
A chance of rain and snow before 1am, then scattered flurries between 1am and 2am, then a slight chance of snow after 2am. Cloudy, with a low around 23. Blustery, with a west wind 23 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 40%.
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. Southeast wind 5 to 13 mph, with gusts as high as 21 mph. 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:
Smithton IL
 38.41°N 89.99°W (Elev. 453 ft)
Last Update:
7:30 pm CDT Mar 15, 2026
Forecast Valid:
10pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation