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.

Fair

68°F

20°C

Humidity 88%
Wind Speed E 8 mph
Barometer 30.11 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Aug 11:15 pm CDT
Extended Forecast for

Saint Augustine IL

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 59. East northeast wind 3 to 6 mph.

    Low: 59 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Northeast wind 5 to 8 mph.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. North northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 65. Calm wind.

    Low: 65 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 82. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Northwest wind 5 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 59. East northeast wind 3 to 6 mph.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Northeast wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 59. North northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 83. Calm wind.
Friday Night
Increasing clouds, with a low around 65. Calm wind.
Saturday
Partly sunny, with a high near 82. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 55. Northwest wind 5 to 8 mph.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine IL
 40.72°N 90.4°W (Elev. 650 ft)
Last Update:
10:25 pm CDT Aug 20, 2025
Forecast Valid:
11pm CDT Aug 20, 2025-6pm CDT Aug 27, 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