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

26°F

-3°C

Humidity 86%
Wind Speed NE 12 mph
Barometer 30.27 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 28 Feb 8:35 pm CST
Extended Forecast for

Gerlaw IL

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 38. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 38 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 25. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 44. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain. High near 49. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 58.

    High: 58 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Increasing clouds, with a high near 38. East wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25. East wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 44. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Rain, mainly after midnight. Low around 35. Chance of precipitation is 80%.
Tuesday
Rain. High near 49. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Cloudy, with a high near 58.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 62.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Friday
Rain likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Friday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gerlaw IL
 40.99°N 90.62°W (Elev. 719 ft)
Last Update:
7:47 pm CST Feb 28, 2026
Forecast Valid:
8pm CST Feb 28, 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