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

26°F

-3°C

Humidity 79%
Wind Speed Calm
Barometer 30.43 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 4 Feb 12:15 pm CST
Extended Forecast for

Saint Augustine IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 29. North northwest wind 3 to 5 mph.

    High: 29 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 15. Light and variable wind.

    Low: 15 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 40. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 40 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. West wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. North northwest wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. North northwest wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 22 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37. Light and variable wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 37 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 29. North northwest wind 3 to 5 mph.
Tonight
Increasing clouds, with a low around 15. Light and variable wind.
Thursday
Mostly cloudy, with a high near 40. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 28. West wind 6 to 11 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 44. North northwest wind 13 to 18 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 20. North northwest wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 22 mph.
Saturday
Mostly sunny, with a high near 37. Light and variable wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 53.
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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:
11:37 am CST Feb 4, 2026
Forecast Valid:
12pm CST Feb 4, 2026-6pm CST Feb 10, 2026
 
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