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.

Fair

52°F

11°C

Humidity 72%
Wind Speed E 12 mph
Barometer 29.67 in (1004.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 15 Mar 12:54 am CDT
Extended Forecast for

4 Miles N Fieldon IL

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. South wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3pm. High near 67. Breezy, with a south wind 16 to 21 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%.

    High: 67 °F

    Breezy.
    Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain likely before 9pm, then a chance of snow. Mostly cloudy, with a low around 19. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Rain/Snow
    Likely and
    Breezy then
    Chance Snow
    and Blustery

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 44 mph.

    High: 29 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Northwest wind 8 to 16 mph, with gusts as high as 28 mph.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. South wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3pm. High near 67. Breezy, with a south wind 16 to 21 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%.
Sunday Night
Rain likely before 9pm, then a chance of snow. Mostly cloudy, with a low around 19. Blustery, with a northwest wind 22 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 44 mph.
Monday Night
Mostly clear, with a low around 11. Northwest wind 8 to 16 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
A chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Fieldon IL
 39.18°N 90.52°W (Elev. 577 ft)
Last Update:
11:16 pm CDT Mar 14, 2026
Forecast Valid:
1am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation