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

42°F

6°C

Humidity 63%
Wind Speed NW 9 mph
Barometer 30.03 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 13 Mar 6:55 pm CDT
Extended Forecast for

Altona IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 49. East southeast wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 42. East southeast wind 14 to 17 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely before 10am, then showers, mainly after 10am. High near 65. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Breezy. Rain
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 10pm, then snow. Low around 18. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Rain/Snow and
    Blustery then
    Snow and
    Windy

  • Monday

    Monday: A 50 percent chance of snow before 1pm. Mostly cloudy, with a high near 23. Windy, with a west northwest wind 26 to 30 mph, with gusts as high as 41 mph.

    High: 23 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 33 mph.

    Low: 6 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 49. East southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Saturday Night
A 40 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 42. East southeast wind 14 to 17 mph, with gusts as high as 28 mph.
Sunday
Rain likely before 10am, then showers, mainly after 10am. High near 65. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain showers before 10pm, then snow. Low around 18. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
A 50 percent chance of snow before 1pm. Mostly cloudy, with a high near 23. Windy, with a west northwest wind 26 to 30 mph, with gusts as high as 41 mph.
Monday Night
Partly cloudy, with a low around 6. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 33 mph.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 60.
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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:
6:36 pm CDT Mar 13, 2026
Forecast Valid:
7pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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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