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.

Light Snow

8°F

-13°C

Humidity 80%
Wind Speed N 15 mph
Barometer 30.14 in (1021.3 mb)
Dewpoint 3°F (-16°C)
Visibility 1.25 mi
Wind Chill-9°F (-23°C)
Last update 25 Jan 4:54 am CST
Extended Forecast for

Rockbridge IL

Winter Storm Warning January 25, 05:56am until January 25, 06:00pm
Extreme Cold Warning January 26, 12:00am until January 26, 12:00pm
Click here for hazard details and duration
Winter Storm Warning
Extreme Cold Warning
  •  
    Winter Storm Warning January 25, 05:56am until January 25, 06:00pm

    NOW until 6:00pm Sun

    Winter Storm Warning

  • Overnight

    Low: 7 °F

    Snow

  • Sunday

    Sunday: Snow, mainly before 1pm. High near 14. North wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 14 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around -8. Wind chill values as low as -20. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: -8 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny and cold, with a high near 13. Wind chill values as low as -20. Northwest wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 13 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a temperature falling to near 4 by 8pm, then rising to around 11 during the remainder of the night. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 4 °F⇑

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -5.

    Low: -5 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. Low around 7. North wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Sunday
Snow, mainly before 1pm. High near 14. North wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around -8. Wind chill values as low as -20. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny and cold, with a high near 13. Wind chill values as low as -20. Northwest wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a temperature falling to near 4 by 8pm, then rising to around 11 during the remainder of the night. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around -5.
Wednesday
Mostly sunny, with a high near 22.
Wednesday Night
Partly cloudy, with a low around -5.
Thursday
Partly sunny and cold, with a high near 18.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Partly sunny and cold, with a high near 19.
Friday Night
Partly cloudy, with a low around 0.
Saturday
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:
3:16 am CST Jan 25, 2026
Forecast Valid:
5am CST Jan 25, 2026-6pm CST Jan 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation