National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

64°F

18°C

Humidity 85%
Wind Speed SW 10 mph
Barometer 29.94 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Apr 12:15 am CDT
Extended Forecast for

Saint Augustine IL

  • Overnight

    Overnight: Mostly clear, with a low around 59. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. West southwest wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 7 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 82 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. South southwest wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. North wind 5 to 7 mph, with gusts as high as 16 mph.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 59. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 78. West southwest wind 8 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 7 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 82. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. South southwest wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 49. North wind 5 to 7 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 74.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine IL
 40.72°N 90.42°W (Elev. 600 ft)
Last Update:
10:36 pm CDT Apr 21, 2026
Forecast Valid:
12am CDT Apr 22, 2026-6pm CDT Apr 28, 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