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

15°F

-9°C

Humidity 88%
Wind Speed NW 14 G 18 mph
Barometer 30.33 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 22 Feb 3:15 am CST
Extended Forecast for

Saint Augustine IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 15. Wind chill values between 1 and 6. Northwest wind around 18 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of flurries after 11am. Partly sunny, with a high near 24. Wind chill values between -1 and 9. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 34 mph.

    High: 24 °F

    Chance
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: A chance of flurries before 10pm. Partly cloudy, with a low around 10. Wind chill values between -6 and 3. Blustery, with a north northwest wind 14 to 20 mph, with gusts as high as 32 mph.

    Low: 10 °F

    Chance
    Flurries and
    Blustery then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 31. Wind chill values between -3 and 7. North northwest wind 6 to 11 mph becoming light northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 16. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 17 mph.

    Low: 16 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49. South wind 10 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 49 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. West southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.

    Low: 26 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 15. Wind chill values between 1 and 6. Northwest wind around 18 mph, with gusts as high as 30 mph.
Sunday
A chance of flurries after 11am. Partly sunny, with a high near 24. Wind chill values between -1 and 9. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 34 mph.
Sunday Night
A chance of flurries before 10pm. Partly cloudy, with a low around 10. Wind chill values between -6 and 3. Blustery, with a north northwest wind 14 to 20 mph, with gusts as high as 32 mph.
Monday
Sunny, with a high near 31. Wind chill values between -3 and 7. North northwest wind 6 to 11 mph becoming light northwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Increasing clouds, with a low around 16. Calm wind becoming south 5 to 9 mph after midnight. Winds could gust as high as 17 mph.
Tuesday
Mostly cloudy, with a high near 49. South wind 10 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 26. West southwest wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 33.
Saturday
Mostly sunny, with a high near 52.
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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:
3:36 am CST Feb 22, 2026
Forecast Valid:
3am CST Feb 22, 2026-6pm CST Feb 28, 2026
 
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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