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

60°F

16°C

Humidity 97%
Wind Speed SW 10 mph
Barometer 29.70 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Nov 2:15 am CST
Extended Forecast for

Monmouth IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 70. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 70 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. Northwest wind around 5 mph.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 70. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 35. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 52. Northwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 32.
Monday
Mostly sunny, with a high near 53.
Monday Night
Rain. Low around 40. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Thursday
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.92°N 90.62°W (Elev. 719 ft)
Last Update:
2:16 am CST Nov 15, 2025
Forecast Valid:
2am CST Nov 15, 2025-6pm CST Nov 21, 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