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.

Heavy Drizzle

N/A

Humidity NA
Wind Speed SW 8 mph
Barometer 29.77 in
Dewpoint N/A
Visibility 1.25 mi
Last update 7 Mar 7:55 am CST
Extended Forecast for

Saint Augustine IL

  • Today

    Today: A 20 percent chance of showers before 9am. Cloudy, with a temperature falling to around 45 by 2pm. Breezy, with a west northwest wind 13 to 20 mph, with gusts as high as 30 mph.

    High: 56 °F⇓

    Slight Chance
    Showers and
    Breezy then
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West northwest wind 5 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 64. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South southwest wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 49. Southwest wind around 7 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 74. South southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers before noon. Cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers before 9am. Cloudy, with a temperature falling to around 45 by 2pm. Breezy, with a west northwest wind 13 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West northwest wind 5 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 64. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 45. South southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 73. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Monday Night
Clear, with a low around 49. Southwest wind around 7 mph, with gusts as high as 15 mph.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 74. South southwest wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers. Low around 40. Chance of precipitation is 90%.
Wednesday
A 50 percent chance of showers before noon. Cloudy, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 60. Breezy.
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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:
7:57 am CST Mar 7, 2026
Forecast Valid:
8am CST Mar 7, 2026-6pm CDT Mar 13, 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