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.

Fair

62°F

17°C

Humidity 67%
Wind Speed S 15 G 25 mph
Barometer 29.47 in (997.6 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Mar 7:53 am CDT
Extended Forecast for

5 Miles SW Smithton IL

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

  • Today

    Today: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 66. Breezy, with a south wind 22 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

    High: 66 °F

    Breezy.
    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain before 2am, then a slight chance of snow between 2am and 3am. Low around 21. Breezy, with a northwest wind 23 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Breezy. Rain
    then Slight
    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 30. Blustery, with a northwest wind 21 to 25 mph, with gusts as high as 39 mph.

    High: 30 °F

    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 38 °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 31. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly 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

Today
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 66. Breezy, with a south wind 22 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Tonight
Rain before 2am, then a slight chance of snow between 2am and 3am. Low around 21. Breezy, with a northwest wind 23 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 30. Blustery, with a northwest wind 21 to 25 mph, with gusts as high as 39 mph.
Monday Night
Mostly clear, with a low around 14. Northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 38. Northwest wind around 6 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 31. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 70.
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 48.
Saturday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
Last Update:
5:51 am CDT Mar 15, 2026
Forecast Valid:
8am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation