Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Partly Cloudy

88°F

31°C

Humidity 33%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 1:35 pm CDT
Extended Forecast for

Monmouth IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. Southwest wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers.  Mostly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 1am.  Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Southwest wind 5 to 10 mph.
Tonight
Clear, with a low around 64. South wind around 5 mph.
Saturday
Sunny, with a high near 88. South wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 63.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
Monday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Tuesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.9°N 90.65°W (Elev. 774 ft)
1:21 pm CDT Oct 3, 2025
1pm CDT Oct 3, 2025-6pm CDT Oct 9, 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