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

6°F

-14°C

Humidity 79%
Wind Speed W 3 mph
Barometer NA
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 19 Jan 7:15 pm CST
Extended Forecast for

Saint Augustine IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Wind chill values between -6 and 1. Southwest wind 5 to 7 mph.

    Low: 6 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. Wind chill values between -3 and 7. South wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature rising to around 31 by 1am. South southeast wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 22 °F⇑

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. West wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. Southwest wind 8 to 13 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -3. North northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: -3 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 5.

    High: 5 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -8.

    Low: -8 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 6. Wind chill values between -6 and 1. Southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 29. Wind chill values between -3 and 7. South wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a temperature rising to around 31 by 1am. South southeast wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.
Wednesday
Mostly sunny, with a high near 34. West wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 16. Southwest wind 8 to 13 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Thursday
Mostly sunny, with a high near 28. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around -3. North northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy and cold, with a high near 5.
Friday Night
Mostly cloudy, with a low around -8.
Saturday
Partly sunny and cold, with a high near 8.
Saturday Night
Partly cloudy, with a low around -3.
Sunday
Mostly sunny, with a high near 16.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 26.
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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:
6:36 pm CST Jan 19, 2026
Forecast Valid:
7pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation