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.

Fair

56°F

13°C

Humidity 63%
Wind Speed S 8 mph
Barometer NA
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 29 Mar 8:35 pm CDT
Extended Forecast for

Gerlaw IL

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 54. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 63. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 80. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 80 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 49. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 37. Breezy. Chance of precipitation is 90%.

    Low: 37 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers likely. Cloudy, with a high near 54. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 54. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 82. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 63. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 80. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 49. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers. Low around 37. Breezy. Chance of precipitation is 90%.
Thursday
Showers likely. Cloudy, with a high near 54. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 37.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 64.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50.
Saturday
Showers. High near 64. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 56. Breezy.
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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:
1:26 pm CDT Mar 29, 2026
Forecast Valid:
9pm CDT Mar 29, 2026-6pm CDT Apr 5, 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