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

70°F

21°C

Humidity 80%
Wind Speed NW 13 mph
Barometer 29.82 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 31 Mar 4:15 pm CDT
Extended Forecast for

Gerlaw IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 42. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 42 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 9am, then a chance of showers between 9am and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 52. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 52 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 47. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 10am. High near 74. Breezy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 55. Breezy.

    High: 55 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 42. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely before 9am, then a chance of showers between 9am and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, with a high near 52. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 47. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers, with thunderstorms also possible after 10am. High near 74. Breezy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 45. Breezy.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77.
Friday Night
Showers and possibly a thunderstorm. Low around 44. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 55. Breezy.
Saturday Night
Mostly cloudy, with a low around 32. Breezy.
Sunday
Mostly sunny, with a high near 51. Breezy.
Sunday Night
Clear, with a low around 31.
Monday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gerlaw IL
 40.99°N 90.62°W (Elev. 719 ft)
Last Update:
3:02 pm CDT Mar 31, 2026
Forecast Valid:
4pm CDT Mar 31, 2026-6pm CDT Apr 6, 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