Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

63°F

17°C

Humidity 22%
Wind Speed SW 18 G 25 mph
Barometer 29.59 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 18 Feb 3:15 pm CST
Extended Forecast for

Saint Augustine IL

Red Flag Warning until February 18, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until February 18, 08:00pm

    NOW until 8:00pm Wed

    Red Flag Warning

  • This Afternoon

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Southwest wind 5 to 7 mph becoming calm. Winds could gust as high as 15 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after 3pm.  Partly sunny, with a high near 66. East wind 6 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am, then a chance of rain and snow between 1am and 3am, then a chance of snow after 3am.  Mostly cloudy, with a low around 31. Breezy, with a south southwest wind 9 to 14 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 40%.

    Low: 31 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 41. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph.

    High: 41 °F

    Decreasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 38. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 67. West southwest wind 10 to 16 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 39. Southwest wind 5 to 7 mph becoming calm. Winds could gust as high as 15 mph.
Thursday
A 40 percent chance of rain, mainly after 3pm. Partly sunny, with a high near 66. East wind 6 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A chance of rain before 1am, then a chance of rain and snow between 1am and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 31. Breezy, with a south southwest wind 9 to 14 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 40%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 23. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 38. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 48.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine IL
 40.72°N 90.42°W (Elev. 600 ft)
3:16 pm CST Feb 18, 2026
3pm CST Feb 18, 2026-6pm CST Feb 24, 2026
 
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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