Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Heavy Rain

72°F

22°C

Humidity 100%
Wind Speed S 7 mph
Barometer 30.08 in
Dewpoint 72°F (22°C)
Visibility 5.00 mi
Last update 15 Aug 3:55 am CDT
Extended Forecast for

Altona IL

Flood Watch until August 15, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Overnight

    Low: 71 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 10am. Some of the storms could produce heavy rainfall.  High near 85. South wind around 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Heavy Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 73. South southwest wind 3 to 8 mph. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers before 7am.  Partly sunny, with a high near 85. Northwest wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 85 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. North northwest wind 5 to 10 mph, with gusts as high as 17 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 71. East southeast wind around 8 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms, mainly before 10am. Some of the storms could produce heavy rainfall. High near 85. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 73. South southwest wind 3 to 8 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 30 percent chance of showers before 7am. Partly sunny, with a high near 85. Northwest wind 6 to 11 mph, with gusts as high as 17 mph.
Sunday Night
Mostly clear, with a low around 65. North northwest wind 5 to 10 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 81. North wind around 5 mph.
Monday Night
Mostly clear, with a low around 63. Calm wind.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Altona IL
 41.11°N 90.17°W (Elev. 725 ft)
3:36 am CDT Aug 15, 2026
4am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database