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.

Overcast

17°F

-8°C

Humidity 100%
Wind Speed W 10 mph
Barometer 30.18 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 21 Feb 6:55 am CST
Extended Forecast for

Saint Augustine IL

  • Today

    Today: A chance of flurries between 9am and noon. Mostly cloudy, with a high near 33. Northwest wind 8 to 16 mph, with gusts as high as 23 mph.

    High: 33 °F

    Chance
    Flurries

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Wind chill values between zero and 10. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 27. Wind chill values between -1 and 9. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 32 mph.

    High: 27 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. Wind chill values between -3 and 6. North northwest wind 13 to 18 mph, with gusts as high as 30 mph.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 30. North northwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 16. Calm wind becoming south 5 to 7 mph after midnight. Winds could gust as high as 15 mph.

    Low: 16 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
A chance of flurries between 9am and noon. Mostly cloudy, with a high near 33. Northwest wind 8 to 16 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 16. Wind chill values between zero and 10. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday
Partly sunny, with a high near 27. Wind chill values between -1 and 9. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 12. Wind chill values between -3 and 6. North northwest wind 13 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 30. North northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Monday Night
Increasing clouds, with a low around 16. Calm wind becoming south 5 to 7 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 48. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 27.
Friday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine IL
 40.72°N 90.42°W (Elev. 600 ft)
Last Update:
6:36 am CST Feb 21, 2026
Forecast Valid:
7am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation