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.

Mostly Cloudy

60°F

16°C

Humidity 50%
Wind Speed SE 12 G 18 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 27 Mar 11:53 am CDT
Extended Forecast for

Smithton IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers, mainly before 5pm. Mostly cloudy, with a high near 69. South wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 69 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southeast wind around 9 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 80. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 80 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 71. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    T-storms then
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers, mainly before 5pm. Mostly cloudy, with a high near 69. South wind 9 to 14 mph, with gusts as high as 21 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southeast wind around 9 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 80. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 23 mph.
Saturday
Showers likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 71. South wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Sunday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50.
Wednesday
Showers likely. Partly sunny, with a high near 75. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithton IL
 38.41°N 89.99°W (Elev. 453 ft)
Last Update:
11:37 am CDT Mar 27, 2025
Forecast Valid:
12pm CDT Mar 27, 2025-6pm CDT Apr 2, 2025
 
Forecast Discussion
 
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Additional Resources

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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