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.

Partly Cloudy

89°F

32°C

Humidity 29%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 3 Oct 2:55 pm CDT
Extended Forecast for

Altona IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. South southwest wind around 8 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind around 5 mph becoming calm after midnight.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. South southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 61. South wind around 10 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 10 to 18 mph, with gusts as high as 24 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers. Mostly sunny, with a high near 84. Southwest wind 6 to 8 mph becoming northwest in the afternoon.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. South southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 64. South wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 89. South southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Clear, with a low around 61. South wind around 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 86. South wind 10 to 18 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 63. South wind 8 to 11 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 84. Southwest wind 6 to 8 mph becoming northwest in the afternoon.
Monday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Tuesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 70.
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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:
12:51 pm CDT Oct 3, 2025
Forecast Valid:
3pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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