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

40°F

4°C

Humidity 86%
Wind Speed SW 13 G 20 mph
Barometer 29.74 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 8:35 am CST
Extended Forecast for

Saint Augustine IL

  • Today

    Today: Mostly cloudy, with a high near 51. West wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 26 by 4pm. Blustery, with a north northwest wind 17 to 22 mph, with gusts as high as 37 mph.

    High: 30 °F⇓

    Decreasing
    Clouds and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. Wind chill values between 3 and 8. North northwest wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 30. North northwest wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 17 mph.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 25. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    Low: 25 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Friday

    Friday: A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 37. West wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 22.

    High: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 51. West wind 13 to 17 mph, with gusts as high as 29 mph.
Tonight
Mostly cloudy, with a low around 28. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 26 by 4pm. Blustery, with a north northwest wind 17 to 22 mph, with gusts as high as 37 mph.
Wednesday Night
Mostly clear, with a low around 13. Wind chill values between 3 and 8. North northwest wind 8 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 30. North northwest wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 25. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 37. West wind 14 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Mostly cloudy, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 6.
M.L.King Day
Mostly sunny, with a high near 25.
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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:
8:37 am CST Jan 13, 2026
Forecast Valid:
8am CST Jan 13, 2026-6pm CST Jan 19, 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