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

28°F

-2°C

Humidity 92%
Wind Speed W 9 mph
Barometer 30.47 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 11 Jan 2:55 pm CST
Extended Forecast for

Saint Augustine IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 32. West southwest wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 32 °F

    Mostly Cloudy

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 46. West southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 33. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. West wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph.

    High: 37 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 32. West southwest wind 8 to 10 mph, with gusts as high as 16 mph.
Tonight
Increasing clouds, with a low around 26. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 46. West southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 33. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 53. West wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 37. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 30.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine IL
 40.72°N 90.4°W (Elev. 650 ft)
Last Update:
12:32 pm CST Jan 11, 2026
Forecast Valid:
3pm CST Jan 11, 2026-6pm CST Jan 17, 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