Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fog/Mist

37°F

3°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 37°F (3°C)
Visibility 5.00 mi
Last update 15 Feb 3:35 am CST
Extended Forecast for

Monmouth IL

  • Overnight

    Overnight: Patchy fog.  Otherwise, cloudy, with a steady temperature around 36. West wind around 5 mph.

    Low: 36 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 5 to 10 mph.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 39. Light and variable wind becoming southwest 5 to 10 mph in the evening.

    Low: 39 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight.  Partly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Breezy.
    Partly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Sunny, with a high near 65. Breezy.

    High: 65 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a steady temperature around 36. West wind around 5 mph.
Sunday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 5 to 10 mph.
Sunday Night
Increasing clouds, with a low around 39. Light and variable wind becoming southwest 5 to 10 mph in the evening.
Washington's Birthday
Mostly sunny, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly cloudy, with a high near 63.
Tuesday Night
A 30 percent chance of rain after midnight. Partly cloudy, with a low around 53. Breezy.
Wednesday
Sunny, with a high near 65. Breezy.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 58.
Thursday Night
A 30 percent chance of rain. Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 42.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.92°N 90.62°W (Elev. 719 ft)
3:16 am CST Feb 15, 2026
3am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
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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