Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fog

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 0.50 mi
Last update 26 Jul 3:55 am CDT
Extended Forecast for

Altona IL

Extreme Heat Warning July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am.  Areas of fog.  Otherwise, cloudy, with a low around 72. Light south wind.

    Low: 72 °F

    Slight Chance
    T-storms and
    Areas Fog

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 8am.  Areas of dense fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 91. Heat index values as high as 106. South southeast wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 91 °F

    Chance
    T-storms and
    Areas Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. West southwest wind 5 to 8 mph becoming southeast after midnight. Winds could gust as high as 16 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 107. South southeast wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. West southwest wind 7 to 10 mph becoming north northwest after midnight. Winds could gust as high as 17 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. North northeast wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Areas of fog. Otherwise, cloudy, with a low around 72. Light south wind.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Areas of dense fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 91. Heat index values as high as 106. South southeast wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 76. West southwest wind 5 to 8 mph becoming southeast after midnight. Winds could gust as high as 16 mph.
Monday
Sunny, with a high near 93. Heat index values as high as 107. South southeast wind 8 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 72. West southwest wind 7 to 10 mph becoming north northwest after midnight. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 87. North northeast wind 8 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly clear, with a low around 64. North northeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 63.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A chance of showers. Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Altona IL
 41.11°N 90.17°W (Elev. 725 ft)
3:36 am CDT Jul 26, 2026
4am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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