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

Hazardous Weather Conditions

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Mostly Cloudy

60°F

16°C

Humidity 72%
Wind Speed NE 7 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 25 May 4:54 am CDT
Extended Forecast for

Silex MO

  • Overnight

    Overnight: A 40 percent chance of showers. Cloudy, with a low around 57. Light east wind.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Cloudy, with a high near 66. East wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 53. East wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Memorial Day

    Memorial Day: A 50 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 66. East wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Cloudy, with a low around 55. East wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers. Cloudy, with a low around 57. Light east wind.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 66. East wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A slight chance of showers before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 53. East wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Memorial Day
A 50 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 66. East wind 9 to 11 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Cloudy, with a low around 55. East wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday
Showers likely before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 56.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Silex MO
 39.13°N 91.06°W (Elev. 600 ft)
Last Update:
5:22 am CDT May 25, 2025
Forecast Valid:
5am CDT May 25, 2025-6pm CDT May 31, 2025
 
Forecast Discussion
 
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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