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.

Overcast

2°F

-17°C

Humidity 38%
Wind Speed NE 13 mph
Barometer 30.71 in (1040.8 mb)
Dewpoint -18°F (-28°C)
Visibility 10.00 mi
Wind Chill-16°F (-27°C)
Last update 24 Jan 2:54 am CST
Extended Forecast for

Rockbridge IL

Cold Weather Advisory January 24, 03:06am until January 24, 12:00pm
Winter Storm Warning January 24, 09:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Cold Weather Advisory January 24, 03:06am until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Overnight

    Low: 0 °F

    Cloudy

  • Saturday

    Saturday: Snow, mainly after 1pm. High near 10. Wind chill values as low as -15. Northeast wind 8 to 11 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 10 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: Snow. Low around 8. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Snow Likely
    then Snow

  • Sunday

    Sunday: Snow, mainly before 1pm. High near 15. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 15 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around -2. Northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: -2 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 13.

    High: 13 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Overnight
Cloudy, with a low around 0. Wind chill values as low as -15. Northeast wind around 9 mph.
Saturday
Snow, mainly after 1pm. High near 10. Wind chill values as low as -15. Northeast wind 8 to 11 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday Night
Snow. Low around 8. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow, mainly before 1pm. High near 15. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around -2. Northwest wind around 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and cold, with a high near 13.
Monday Night
Mostly clear, with a low around 2.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Mostly clear, with a low around 2.
Wednesday
Partly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 0.
Thursday
Mostly sunny and cold, with a high near 17.
Thursday Night
Partly cloudy, with a low around 1.
Friday
Mostly sunny and cold, with a high near 19.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockbridge IL
 39.26°N 90.2°W (Elev. 509 ft)
Last Update:
2:41 am CST Jan 24, 2026
Forecast Valid:
3am CST Jan 24, 2026-6pm CST Jan 30, 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