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

67°F

19°C

Humidity 80%
Wind Speed S 8 mph
Barometer 29.77 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 May 1:35 am CDT
Extended Forecast for

Galesburg IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 63. South southwest wind 7 to 10 mph becoming west northwest. Winds could gust as high as 22 mph.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. Southeast wind around 8 mph becoming southwest in the morning. Winds could gust as high as 16 mph.

    High: 83 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Increasing clouds, with a low around 63. South southeast wind around 7 mph, with gusts as high as 17 mph.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 86. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 86 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph.

    Low: 67 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Showers, with thunderstorms also possible after 7am. High near 85. Breezy, with a south wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Breezy, with a south wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Breezy.

    High: 81 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 63. South southwest wind 7 to 10 mph becoming west northwest. Winds could gust as high as 22 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. Southeast wind around 8 mph becoming southwest in the morning. Winds could gust as high as 16 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Increasing clouds, with a low around 63. South southeast wind around 7 mph, with gusts as high as 17 mph.
Sunday
Partly sunny, with a high near 86. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Mostly clear, with a low around 67. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph.
Monday
Showers, with thunderstorms also possible after 7am. High near 85. Breezy, with a south wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Breezy, with a south wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Breezy.
Tuesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galesburg IL
 40.94°N 90.41°W (Elev. 745 ft)
Last Update:
1:26 am CDT May 16, 2026
Forecast Valid:
1am CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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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