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.

Overcast

19°F

-7°C

Humidity 96%
Wind Speed NW 12 mph
Barometer 30.21 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 21 Feb 8:35 am CST
Extended Forecast for

Altona IL

  • Today

    Today: A chance of flurries between 10am and noon. Mostly cloudy, with a high near 32. West northwest wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 32 °F

    Chance
    Flurries

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. Wind chill values between 1 and 11. Northwest wind 15 to 18 mph, with gusts as high as 29 mph.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28. Wind chill values between zero and 10. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 33 mph.

    High: 28 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Wind chill values between -3 and 7. Blustery, with a north northwest wind 14 to 21 mph, with gusts as high as 30 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 31. North northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 16 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

Today
A chance of flurries between 10am and noon. Mostly cloudy, with a high near 32. West northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 17. Wind chill values between 1 and 11. Northwest wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday
Partly sunny, with a high near 28. Wind chill values between zero and 10. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 13. Wind chill values between -3 and 7. Blustery, with a north northwest wind 14 to 21 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 31. North northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 17. Calm wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 16 mph.
Tuesday
Partly sunny, with a high near 47. South southwest wind 9 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Altona IL
 41.11°N 90.15°W (Elev. 748 ft)
Last Update:
7:36 am CST Feb 21, 2026
Forecast Valid:
8am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation