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

46°F

8°C

Humidity 66%
Wind Speed E 3 mph
Barometer 29.95 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 14 Feb 4:35 pm CST
Extended Forecast for

Saint Augustine IL

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Cloudy, with a high near 50. East southeast wind around 5 mph.

    High: 50 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 37. East southeast wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. West northwest wind 3 to 8 mph.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 37. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 37 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 64. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. South wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. South southeast wind 6 to 16 mph, with gusts as high as 25 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67. Breezy.

    High: 67 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy, with a high near 50. East southeast wind around 5 mph.
Tonight
A 20 percent chance of rain before 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 37. East southeast wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. West northwest wind 3 to 8 mph.
Sunday Night
Increasing clouds, with a low around 37. Calm wind becoming south southwest around 6 mph after midnight.
Washington's Birthday
Partly sunny, with a high near 64. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 42. South wind 6 to 8 mph, with gusts as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 65. South southeast wind 6 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 67. Breezy.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
A chance of rain. Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Augustine IL
 40.72°N 90.42°W (Elev. 600 ft)
Last Update:
4:42 pm CST Feb 14, 2026
Forecast Valid:
5pm CST Feb 14, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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