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.

Partly Cloudy

80°F

27°C

Humidity 75%
Wind Speed N 10 mph
Barometer 29.96 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Jul 5:55 pm CDT
Extended Forecast for

Monmouth IL

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 66 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. North wind around 5 mph. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms before 7pm. Mostly clear, with a low around 64. Northeast wind around 5 mph. Chance of precipitation is 10%.

    Low: 64 °F

    Isolated
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Northeast wind around 5 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 66. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. North wind around 5 mph. Chance of precipitation is 30%.
Sunday Night
Isolated showers and thunderstorms before 7pm. Mostly clear, with a low around 64. Northeast wind around 5 mph. Chance of precipitation is 10%.
Monday
Sunny, with a high near 83. Northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.92°N 90.62°W (Elev. 719 ft)
Last Update:
5:06 pm CDT Jul 4, 2026
Forecast Valid:
6pm CDT Jul 4, 2026-6pm CDT Jul 11, 2026
 
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