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

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

53°F

12°C

Humidity 57%
Wind Speed Calm
Barometer 29.89 in (1011.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 8 Nov 9:54 am CST
Extended Forecast for

2 Miles N Rockbridge IL

  • Today

    Today: A 40 percent chance of rain, mainly after 4pm. Increasing clouds, with a high near 60. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 60 °F

    Mostly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 32. East wind 8 to 18 mph becoming west in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of flurries after noon. Mostly sunny, with a high near 39. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 30 mph.

    High: 39 °F

    Chance
    Flurries and
    Breezy

  • Sunday Night

    Sunday Night: A chance of flurries before midnight. Partly cloudy, with a low around 22. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 39. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 4pm. Increasing clouds, with a high near 60. Light and variable wind becoming south around 6 mph in the afternoon.
Tonight
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 32. East wind 8 to 18 mph becoming west in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Sunday
A chance of flurries after noon. Mostly sunny, with a high near 39. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 30 mph.
Sunday Night
A chance of flurries before midnight. Partly cloudy, with a low around 22. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 39. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 22.
Veterans Day
Partly sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Rockbridge IL
 39.31°N 90.2°W (Elev. 535 ft)
Last Update:
8:46 am CST Nov 8, 2025
Forecast Valid:
10am CST Nov 8, 2025-6pm CST Nov 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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