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Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

63°F

17°C

Humidity 85%
Wind Speed S 5 mph
Barometer 29.92 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 2:35 am CDT
Extended Forecast for

Altona IL

  • Overnight

    Overnight: Partly cloudy, with a low around 65. South southwest wind around 9 mph, with gusts as high as 17 mph.

    Low: 65 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 87. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 87 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. South southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. West wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 64. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 74. North wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. East northeast wind around 10 mph, with gusts as high as 17 mph.

    Low: 56 °F

    Cloudy then
    Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 48. Breezy.

    Low: 48 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. South southwest wind around 9 mph, with gusts as high as 17 mph.
Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 87. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 70. South southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 86. West wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 64. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 74. North wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. East northeast wind around 10 mph, with gusts as high as 17 mph.
Thursday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 90%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 48. Breezy.
Friday
Mostly sunny, with a high near 58. Breezy.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 58.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 65.
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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:
1:26 am CDT Oct 12, 2026
Forecast Valid:
2am CDT Oct 12, 2026-6pm CDT Oct 18, 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