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.

Overcast with Haze

N/A

Humidity NA
Wind Speed NW 10 G 22 mph
Barometer 29.78 in
Dewpoint N/A
Visibility 5.00 mi
Last update 6 Jan 5:55 pm CST
Extended Forecast for

Saint Augustine IL

  • Tonight

    Tonight: Patchy dense fog after midnight. Otherwise, cloudy, with a low around 32. West northwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 32 °F

    Cloudy then
    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 53 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 40. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers. High near 55. South southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: Showers likely before midnight. Mostly cloudy, with a low around 41. South wind 9 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 46. West northwest wind 7 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 32. Northeast wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 32 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain and snow before noon, then a chance of snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.

    High: 38 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Patchy dense fog after midnight. Otherwise, cloudy, with a low around 32. West northwest wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Areas of dense fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 53. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Increasing clouds, with a low around 40. South wind around 9 mph, with gusts as high as 18 mph.
Thursday
Showers. High near 55. South southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Showers likely before midnight. Mostly cloudy, with a low around 41. South wind 9 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly cloudy, with a high near 46. West northwest wind 7 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32. Northeast wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Saturday
A chance of rain and snow before noon, then a chance of snow. Partly sunny, with a high near 38. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 23.
Monday
Mostly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 42.
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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:
5:36 pm CST Jan 6, 2026
Forecast Valid:
6pm CST Jan 6, 2026-6pm CST Jan 13, 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