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

43°F

6°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.92 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 1:55 am CDT
Extended Forecast for

Saint Augustine IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. South southwest wind 3 to 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 76. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. North wind 5 to 7 mph becoming east after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81. Southeast wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. South southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 77. South southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. North wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. South southwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 76. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 44. North wind 5 to 7 mph becoming east after midnight.
Saturday
Sunny, with a high near 81. Southeast wind 5 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 57. South southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 77. South southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 35. North wind 10 to 17 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 71.
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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:
1:26 am CDT Mar 20, 2026
Forecast Valid:
2am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation