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

20°F

-7°C

Humidity 100%
Wind Speed NE 9 mph
Barometer 30.35 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 1 Mar 2:15 am CST
Extended Forecast for

Saint Augustine IL

  • Overnight

    Overnight: Partly cloudy, with a low around 21. North northeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 40. East northeast wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 40 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly between 7pm and 1am. Mostly cloudy, with a low around 27. East wind around 8 mph, with gusts as high as 17 mph.

    Low: 27 °F

    Chance Snow

  • Monday

    Monday: Cloudy, with a high near 45. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 45 °F

    Cloudy

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 36. Southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Showers. High near 52. East southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 43. East northeast wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. North northeast wind around 9 mph, with gusts as high as 18 mph.
Sunday
Increasing clouds, with a high near 40. East northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
A 30 percent chance of snow, mainly between 7pm and 1am. Mostly cloudy, with a low around 27. East wind around 8 mph, with gusts as high as 17 mph.
Monday
Cloudy, with a high near 45. East southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Rain, mainly after midnight. Low around 36. Southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers. High near 52. East southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 43. East northeast wind around 7 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 61. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Friday
Showers likely. Mostly cloudy, with a high near 67.
Friday Night
Showers likely. Mostly cloudy, with a low around 44.
Saturday
A chance of showers. Cloudy, with a high near 59.
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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:
1:11 am CST Mar 1, 2026
Forecast Valid:
2am CST Mar 1, 2026-6pm CST Mar 7, 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