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.

Mostly Cloudy and Breezy

76°F

24°C

Humidity 67%
Wind Speed SW 22 G 30 mph
Barometer 29.89 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Apr 1:15 pm CDT
Extended Forecast for

Saint Augustine IL

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 4pm. Cloudy, with a high near 77. Breezy, with a south southwest wind around 23 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 10pm. Low around 61. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 80. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. South southwest wind around 14 mph, with gusts as high as 26 mph.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 28 mph.

    High: 84 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 76. South southwest wind 10 to 17 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: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 4pm. Cloudy, with a high near 77. Breezy, with a south southwest wind around 23 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms, mainly before 10pm. Low around 61. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly cloudy, with a high near 80. South southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 66. South southwest wind around 14 mph, with gusts as high as 26 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 28 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 76. South southwest wind 10 to 17 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.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 57.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 55.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 69.
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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:
12:36 pm CDT Apr 12, 2026
Forecast Valid:
1pm CDT Apr 12, 2026-6pm CDT Apr 18, 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