Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Thunderstorm Light Rain Fog/Mist

39°F

4°C

Humidity 96%
Wind Speed E 5 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 38°F (3°C)
Visibility 3.00 mi
Wind Chill35°F (2°C)
Last update 3 Mar 4:54 am CST
Extended Forecast for

Rockbridge IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm.  Patchy fog. Low around 36. East wind around 5 mph.  Chance of precipitation is 100%.

    Low: 36 °F

    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  Patchy fog before 2pm. High near 51. East wind around 6 mph becoming northeast in the afternoon.  Chance of precipitation is 100%.

    High: 51 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Patchy fog after 7pm. Low around 44. Northeast wind around 8 mph.  Chance of precipitation is 90%.

    Low: 44 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before noon, then showers between noon and 3pm, then showers and possibly a thunderstorm after 3pm.  Patchy fog before 11am. High near 59. East wind around 7 mph becoming south in the afternoon.  Chance of precipitation is 90%.

    High: 59 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 50. Southeast wind around 6 mph becoming southwest after midnight.  Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then a chance of showers.  Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after midnight.  Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Slight 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

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after midnight.  Low around 54. Chance of precipitation is 90%.

    Low: 54 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 36. East wind around 5 mph. Chance of precipitation is 100%.
Tuesday
Showers and possibly a thunderstorm. Patchy fog before 2pm. High near 51. East wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm. Patchy fog after 7pm. Low around 44. Northeast wind around 8 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before noon, then showers between noon and 3pm, then showers and possibly a thunderstorm after 3pm. Patchy fog before 11am. High near 59. East wind around 7 mph becoming south in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 50. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 90%.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 52. 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
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 54. Chance of precipitation is 90%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 44.
Monday
A 20 percent chance of showers. Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockbridge IL
 39.26°N 90.2°W (Elev. 509 ft)
4:46 am CST Mar 3, 2026
5am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
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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