National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

24°F

-4°C

Humidity 91%
Wind Speed S 7 mph
Barometer 30.22 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 12 Jan 5:15 am CST
Extended Forecast for

Altona IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 44. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 44 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. West wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. West wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature falling to around 25 by 5pm. Breezy, with a north wind 18 to 23 mph, with gusts as high as 36 mph.

    High: 36 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. Blustery, with a north wind 10 to 20 mph, with gusts as high as 33 mph.

    Low: 14 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 28. North northwest wind 7 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.

    High: 36 °F

    Mostly Cloudy
    then Snow
    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 44. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 34. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 51. West wind 13 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 32. West wind 11 to 17 mph, with gusts as high as 28 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 25 by 5pm. Breezy, with a north wind 18 to 23 mph, with gusts as high as 36 mph.
Wednesday Night
Partly cloudy, with a low around 14. Blustery, with a north wind 10 to 20 mph, with gusts as high as 33 mph.
Thursday
Mostly sunny, with a high near 28. North northwest wind 7 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 24.
Friday
Snow showers likely after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 21.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altona IL
 41.11°N 90.17°W (Elev. 725 ft)
Last Update:
3:24 am CST Jan 12, 2026
Forecast Valid:
5am CST Jan 12, 2026-6pm CST Jan 18, 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