Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

56°F

13°C

Humidity 40%
Wind Speed S 9 mph
Barometer 30.21 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 24 Mar 4:15 pm CDT
Extended Forecast for

Saint Augustine IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. East southeast wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. South southwest wind 7 to 15 mph, with gusts as high as 21 mph.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. South wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 85. South southwest wind 7 to 16 mph becoming west in the afternoon. Winds could gust as high as 26 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am.  Mostly cloudy, with a low around 37. North northeast wind around 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    T-storms
    Likely then
    Showers
    Likely

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 50. North northeast wind around 14 mph, with gusts as high as 25 mph.

    High: 50 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 27. North northwest wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 17 mph.

    Low: 27 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 41. East southeast wind 5 to 7 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 74. South southwest wind 7 to 15 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 57. South wind 6 to 8 mph, with gusts as high as 15 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 7 to 16 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 37. North northeast wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 50. North northeast wind around 14 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 27. North northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 17 mph.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 76.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A chance of showers. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine IL
 40.72°N 90.42°W (Elev. 600 ft)
1:56 pm CDT Mar 24, 2026
4pm CDT Mar 24, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database