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.

Partly Cloudy

74°F

23°C

Humidity 74%
Wind Speed S 15 G 24 mph
Barometer 29.72 in (1006.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 2 Apr 4:53 pm CDT
Extended Forecast for

Smithton IL

Wind Advisory April 2, 05:00pm until April 2, 07:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory April 2, 05:00pm until April 2, 07:00pm

    NOW until 7:00pm Thu

    Wind Advisory

  • This Afternoon

    High: 75 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 81. South wind 6 to 16 mph, with gusts as high as 25 mph.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 56. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 56 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 65. West wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Breezy, with a south wind around 22 mph, with gusts as high as 37 mph.
Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 81. South wind 6 to 16 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 56. South wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 65. West wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Smithton IL
 38.41°N 89.99°W (Elev. 453 ft)
Last Update:
3:16 pm CDT Apr 2, 2026
Forecast Valid:
5pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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