Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fog

62°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 62°F (17°C)
Visibility 0.25 mi
Last update 21 Sep 6:15 am CDT
Extended Forecast for

Altona IL

Dense Fog Advisory until September 21, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until September 21, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Today

    High: 79 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 63. Light and variable wind.  Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 10am.  Partly sunny, with a high near 78. South southwest wind 5 to 7 mph.  Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 1am.  Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm.  Partly sunny, with a high near 80. Calm wind becoming east northeast around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am.  Mostly cloudy, with a low around 60. Northeast wind around 6 mph.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. Northeast wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the morning.
Tonight
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 78. South southwest wind 5 to 7 mph. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 62. Calm wind.
Tuesday
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 80. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 60. Northeast wind around 6 mph.
Wednesday
Partly sunny, with a high near 76. Northeast wind 7 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Altona IL
 41.11°N 90.17°W (Elev. 725 ft)
5:10 am CDT Sep 21, 2025
6am CDT Sep 21, 2025-6pm CDT Sep 27, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database