National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

47°F

8°C

Humidity 44%
Wind Speed W 3 mph
Barometer 30.22 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 5 Nov 5:35 pm CST
Extended Forecast for

Monmouth IL

  • Tonight

    Tonight: Mostly clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 61. Light east wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 61 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 50. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Rain likely after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Partly Sunny
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 61. Light east wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 50. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Friday
Partly sunny, then gradually becoming sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Rain likely after noon. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 24.
Veterans Day
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.92°N 90.65°W (Elev. 751 ft)
Last Update:
3:56 pm CST Nov 5, 2025
Forecast Valid:
5pm CST Nov 5, 2025-6pm CST Nov 12, 2025
 
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