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

59°F

15°C

Humidity 89%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 1:15 am CDT
Extended Forecast for

3 Miles SE Saint Augustine IL

  • Overnight

    Overnight: Clear, with a low around 54. Calm wind.

    Low: 54 °F

    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers between midnight and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 20%.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61. Calm wind becoming east around 5 mph after midnight.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. High near 75. East wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

    High: 75 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 58. North northeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 54. Calm wind.
Juneteenth
Sunny, with a high near 80. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
A slight chance of showers between midnight and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 20%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 61. Calm wind becoming east around 5 mph after midnight.
Sunday
Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. High near 75. East wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 58. North northeast wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Saint Augustine IL
 40.7°N 90.37°W (Elev. 630 ft)
Last Update:
12:01 am CDT Jun 19, 2026
Forecast Valid:
1am CDT Jun 19, 2026-6pm CDT Jun 25, 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