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.

Fair

72°F

22°C

Humidity 79%
Wind Speed S 6 mph
Barometer 30.15 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 29 Aug 10:15 am CDT
Extended Forecast for

Monmouth IL

  • Today

    Today: Mostly cloudy, with a high near 83. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 70. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 9am. Mostly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 83. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 70. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms between 7am and 9am. Mostly sunny, with a high near 89. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 74. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.92°N 90.65°W (Elev. 751 ft)
Last Update:
8:46 am CDT Aug 29, 2026
Forecast Valid:
10am CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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