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

62°F

17°C

Humidity 59%
Wind Speed SW 18 G 24 mph
Barometer 29.98 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 16 Feb 11:15 am CST
Extended Forecast for

Saint Augustine IL

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 64. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. South wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of sprinkles after 3pm. Cloudy, with a high near 62. South southeast wind 7 to 17 mph, with gusts as high as 31 mph.

    High: 62 °F

    Chance
    Sprinkles

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 52. South southeast wind 14 to 17 mph becoming southwest after midnight. Winds could gust as high as 30 mph.

    Low: 52 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 67. West wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. West southwest wind around 7 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain after noon. Partly sunny, with a high near 64. East wind 6 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 64 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before midnight. Partly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Washington's Birthday
Sunny, with a high near 64. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 42. South wind 6 to 8 mph, with gusts as high as 16 mph.
Tuesday
A chance of sprinkles after 3pm. Cloudy, with a high near 62. South southeast wind 7 to 17 mph, with gusts as high as 31 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 52. South southeast wind 14 to 17 mph becoming southwest after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 67. West wind 9 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 39. West southwest wind around 7 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.
Thursday
A 50 percent chance of rain after noon. Partly sunny, with a high near 64. East wind 6 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of rain and snow. Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine IL
 40.7°N 90.4°W (Elev. 577 ft)
Last Update:
10:57 am CST Feb 16, 2026
Forecast Valid:
11am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation