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

64°F

18°C

Humidity 55%
Wind Speed NE 3 mph
Barometer 30.07 in
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 8 Oct 6:55 pm CDT
Extended Forecast for

Monmouth IL

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Calm wind becoming southeast around 5 mph after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. South wind around 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. Calm wind becoming southeast around 5 mph after midnight.
Friday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly cloudy through mid morning, then gradual clearing, with a high near 81. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 62. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 82. South wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 59.
Columbus Day
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54.
Wednesday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57.
Thursday
A 40 percent chance of showers. Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.92°N 90.65°W (Elev. 751 ft)
Last Update:
1:26 pm CDT Oct 8, 2026
Forecast Valid:
7pm CDT Oct 8, 2026-6pm CDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

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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