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

Hazardous Weather Conditions

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Overcast

65°F

18°C

Humidity 100%
Wind Speed SW 10 mph
Barometer 29.86 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 15 Oct 5:35 pm CDT
Extended Forecast for

Monmouth IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65. West wind around 10 mph.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.

    Low: 45 °F

    Breezy.
    Chance
    Showers then
    Decreasing
    Clouds

  • Friday

    Friday: A chance of showers before 3pm, then a slight chance of showers after 4pm. Increasing clouds, with a high near 53. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Patchy frost after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 32. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 32 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65. West wind around 10 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Friday
A chance of showers before 3pm, then a slight chance of showers after 4pm. Increasing clouds, with a high near 53. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Friday Night
Patchy frost after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 32. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 57.
Saturday Night
Clear, with a low around 37.
Sunday
Areas of frost before 7am. Otherwise, sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.9°N 90.65°W (Elev. 774 ft)
Last Update:
2:01 pm CDT Oct 15, 2026
Forecast Valid:
5pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation