National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

61°F

16°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 25 Sep 12:53 am CDT
Extended Forecast for

4 Miles WSW Smithton IL

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 57. Light west wind.

    Low: 57 °F

    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming north around 6 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. Light north wind.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Northeast wind 5 to 9 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Northeast wind 7 to 10 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 57. Light west wind.
Wednesday
A 20 percent chance of showers after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 55. Light north wind.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Northeast wind 5 to 9 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Northeast wind 7 to 10 mph. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 70. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 62. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Smithton IL
 38.37°N 90.04°W (Elev. 499 ft)
Last Update:
10:37 pm CDT Sep 24, 2024
Forecast Valid:
1am CDT Sep 25, 2024-6pm CDT Oct 1, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation