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.

Partly Cloudy

78°F

26°C

Humidity 48%
Wind Speed NW 8 mph
Barometer 29.71 in (1005.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Jun 6:54 pm CDT
Extended Forecast for

Hamburg IL

Wind Advisory June 17, 01:00pm until June 17, 08:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 60. Northwest wind around 6 mph becoming calm.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Breezy, with a southeast wind 8 to 13 mph becoming southwest 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 89 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 9pm. Partly cloudy, with a low around 66. West wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 70%.

    Low: 66 °F

    T-storms
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Northwest wind around 7 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Light northwest wind.

    Low: 58 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Northwest wind around 6 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Breezy, with a southeast wind 8 to 13 mph becoming southwest 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph.
Wednesday Night
Showers and thunderstorms likely, mainly before 9pm. Partly cloudy, with a low around 66. West wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 70%.
Thursday
Mostly sunny, with a high near 77. Northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 58. Light northwest wind.
Juneteenth
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 61.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 83.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamburg IL
 39.23°N 90.69°W (Elev. 676 ft)
Last Update:
5:51 pm CDT Jun 16, 2026
Forecast Valid:
7pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026
 
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