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

58°F

14°C

Humidity 36%
Wind Speed SE 15 G 25 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 14 Mar 12:53 pm CDT
Extended Forecast for

Smithton IL

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

  • This Afternoon

    This Afternoon: Sunny, with a high near 63. Southeast wind around 14 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. South wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain and thunderstorms before 3pm, then rain likely and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 66. Breezy, with a south wind 21 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    High: 66 °F

    Breezy.
    Slight Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain and snow before 3am, then a slight chance of snow after 5am. Low around 21. Breezy, with a west wind 26 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Breezy.
    Rain/Snow
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 29. Blustery, with a northwest wind 22 to 28 mph, with gusts as high as 40 mph.

    High: 29 °F

    Mostly Cloudy
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 63. Southeast wind around 14 mph.
Tonight
Increasing clouds, with a low around 55. South wind 9 to 16 mph, with gusts as high as 26 mph.
Sunday
A chance of rain and thunderstorms before 3pm, then rain likely and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 66. Breezy, with a south wind 21 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Sunday Night
Rain and snow before 3am, then a slight chance of snow after 5am. Low around 21. Breezy, with a west wind 26 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Mostly cloudy, with a high near 29. Blustery, with a northwest wind 22 to 28 mph, with gusts as high as 40 mph.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Sunny, with a high near 37.
Tuesday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 72.
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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:
1:26 pm CDT Mar 14, 2026
Forecast Valid:
1pm CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation