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

75°F

24°C

Humidity 49%
Wind Speed NW 8 G 16 mph
Barometer 29.86 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Mar 1:55 pm CDT
Extended Forecast for

Saint Augustine IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 75. Northwest wind around 10 mph, with gusts as high as 18 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. East southeast wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. South southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 74. Breezy, with a southwest wind 9 to 14 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 74 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. North wind 9 to 17 mph, with gusts as high as 29 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53. North northeast wind 6 to 8 mph, with gusts as high as 16 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 75. Northwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 45. North wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 80. East southeast wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 58. South southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Sunday
Mostly cloudy, with a high near 74. Breezy, with a southwest wind 9 to 14 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 32. North wind 9 to 17 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 53. North northeast wind 6 to 8 mph, with gusts as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine IL
 40.72°N 90.42°W (Elev. 600 ft)
Last Update:
1:26 pm CDT Mar 20, 2026
Forecast Valid:
2pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation