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

37°F

3°C

Humidity 93%
Wind Speed S 10 mph
Barometer 29.68 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 9 Dec 1:35 pm CST
Extended Forecast for

Saint Augustine IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 39. South wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 39 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 31. Breezy, with a south wind 14 to 19 mph becoming west 21 to 26 mph after midnight. Winds could gust as high as 43 mph.

    Low: 31 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: A chance of rain showers before 7am, then a chance of snow showers between 7am and noon. Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy, with a northwest wind 21 to 26 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 30%.

    High: 36 °F⇓

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. West northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 29. West northwest wind 3 to 6 mph.

    High: 29 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 19. North wind around 6 mph, with gusts as high as 15 mph.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 30. East northeast wind 7 to 14 mph becoming west northwest in the morning. Winds could gust as high as 23 mph.

    High: 30 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 13.

    High: 13 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 39. South wind 10 to 13 mph, with gusts as high as 23 mph.
Tonight
A 50 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 31. Breezy, with a south wind 14 to 19 mph becoming west 21 to 26 mph after midnight. Winds could gust as high as 43 mph.
Wednesday
A chance of rain showers before 7am, then a chance of snow showers between 7am and noon. Mostly cloudy, with a temperature falling to around 29 by 5pm. Breezy, with a northwest wind 21 to 26 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 18. West northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph.
Thursday
Mostly cloudy, with a high near 29. West northwest wind 3 to 6 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19. North wind around 6 mph, with gusts as high as 15 mph.
Friday
Mostly cloudy, with a high near 30. East northeast wind 7 to 14 mph becoming west northwest in the morning. Winds could gust as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 4.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 13.
Saturday Night
Partly cloudy, with a low around -6.
Sunday
Sunny, with a high near 12.
Sunday Night
Partly cloudy, with a low around -1.
Monday
Partly sunny, with a high near 27.
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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:
11:22 am CST Dec 9, 2025
Forecast Valid:
1pm CST Dec 9, 2025-6pm CST Dec 15, 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