Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

20°F

-7°C

Humidity 91%
Wind Speed SE 7 mph
Barometer 30.16 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 8 Dec 7:35 pm CST
Extended Forecast for

Monmouth IL

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 29 by 3am. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 5pm.  Mostly cloudy, with a high near 38. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 38 °F

    Partly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain before 3am, then a chance of showers after 3am.  Cloudy, with a low around 30. Windy, with a southwest wind 20 to 30 mph becoming west after midnight. Winds could gust as high as 50 mph.  Chance of precipitation is 50%.

    Low: 30 °F

    Chance Rain
    and Windy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 9am, then a slight chance of snow showers.  Mostly cloudy, with a high near 35. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow.  Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 29 by 3am. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
A 20 percent chance of rain after 5pm. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
A chance of rain before 3am, then a chance of showers after 3am. Cloudy, with a low around 30. Windy, with a southwest wind 20 to 30 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 50%.
Wednesday
A slight chance of rain and snow showers before 9am, then a slight chance of snow showers. Mostly cloudy, with a high near 35. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 27.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 15.
Friday
Mostly cloudy, with a high near 24.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
Mostly cloudy and cold, with a high near 10.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.9°N 90.65°W (Elev. 774 ft)
3:16 pm CST Dec 8, 2025
7pm CST Dec 8, 2025-6pm CST Dec 15, 2025
 
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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