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

32°F

0°C

Humidity 96%
Wind Speed S 8 mph
Barometer 29.83 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 5 Jan 3:35 am CST
Extended Forecast for

Saint Augustine IL

  • Overnight

    Overnight: Partly cloudy, with a low around 31. South southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49. Southwest wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. Southeast wind around 6 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31. West northwest wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 56. Calm wind becoming south southwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. South wind around 7 mph, with gusts as high as 16 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Mostly cloudy, with a high near 55.

    High: 55 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. South southwest wind around 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 49. Southwest wind around 7 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 37. Southeast wind around 6 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly sunny, with a high near 49. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 31. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 56. Calm wind becoming south southwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 40. South wind around 7 mph, with gusts as high as 16 mph.
Thursday
A 40 percent chance of rain after noon. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Friday
Rain likely, mainly after noon. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 32.
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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:
3:24 am CST Jan 5, 2026
Forecast Valid:
3am CST Jan 5, 2026-6pm CST Jan 11, 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