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.

Fog/Mist

39°F

4°C

Humidity 93%
Wind Speed E 9 mph
Barometer 30.13 in (1020.6 mb)
Dewpoint 37°F (3°C)
Visibility 4.00 mi
Wind Chill33°F (1°C)
Last update 3 Mar 12:54 am CST
Extended Forecast for

Whiteside MO

  • Overnight

    Overnight: A chance of showers, then showers and possibly a thunderstorm after 3am. Patchy fog. Low around 37. Southeast wind around 5 mph. Chance of precipitation is 100%.

    Low: 37 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. Patchy fog before noon, then patchy fog after 4pm. High near 51. East wind around 6 mph. Chance of precipitation is 100%.

    High: 51 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Patchy fog before 2am, then patchy fog after 4am. Low around 44. Northeast wind around 7 mph. Chance of precipitation is 90%.

    Low: 44 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 9am, then showers between 9am and 3pm, then showers and possibly a thunderstorm after 3pm. Patchy fog before noon. High near 58. East wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 90%.

    High: 58 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 49. Light and variable wind becoming southwest around 6 mph after midnight. Chance of precipitation is 90%.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Showers
    Likely then
    Showers

Detailed Forecast

Overnight
A chance of showers, then showers and possibly a thunderstorm after 3am. Patchy fog. Low around 37. Southeast wind around 5 mph. Chance of precipitation is 100%.
Tuesday
Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. Patchy fog before noon, then patchy fog after 4pm. High near 51. East wind around 6 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm. Patchy fog before 2am, then patchy fog after 4am. Low around 44. Northeast wind around 7 mph. Chance of precipitation is 90%.
Wednesday
Showers likely and possibly a thunderstorm before 9am, then showers between 9am and 3pm, then showers and possibly a thunderstorm after 3pm. Patchy fog before noon. High near 58. East wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 49. Light and variable wind becoming southwest around 6 mph after midnight. Chance of precipitation is 90%.
Thursday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 50%.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers and thunderstorms before noon. Mostly cloudy, with a high near 65.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 45.
Monday
A 20 percent chance of showers. Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.17°N 91.01°W (Elev. 712 ft)
Last Update:
12:26 am CST Mar 3, 2026
Forecast Valid:
1am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
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