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

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

66°F

19°C

Humidity 96%
Wind Speed N 10 mph
Barometer 29.85 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 1 Aug 10:35 pm CDT
Extended Forecast for

Altona IL

  • Tonight

    Tonight: Partly cloudy, with a low around 63. North wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. North wind 13 to 15 mph, with gusts as high as 22 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. North northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 81. North northeast wind 3 to 5 mph.

    High: 81 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Light east wind.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light south wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. North wind 13 to 16 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 79. North wind 13 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 59. North northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 81. North northeast wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 61. Light east wind.
Tuesday
Sunny, with a high near 82. Light south wind.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Thursday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 86.
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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:
8:36 pm CDT Aug 1, 2026
Forecast Valid:
10pm CDT Aug 1, 2026-6pm CDT Aug 8, 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