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

55°F

13°C

Humidity 66%
Wind Speed S 6 mph
Barometer 29.97 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 30 Apr 4:15 pm CDT
Extended Forecast for

Monmouth IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 56. West wind around 15 mph, with gusts as high as 20 mph.

    High: 56 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy frost after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 36. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers then
    Patchy Frost

  • Friday

    Friday: A 30 percent chance of showers, mainly after 3pm. Patchy frost before 8am. Otherwise, increasing clouds, with a high near 57. Northwest wind around 5 mph.

    High: 57 °F

    Patchy Frost
    then Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 7pm. Patchy frost after 4am. Otherwise, partly cloudy, with a low around 37. North wind around 5 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Patchy Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Patchy Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 56. West wind around 15 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy frost after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 36. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers, mainly after 3pm. Patchy frost before 8am. Otherwise, increasing clouds, with a high near 57. Northwest wind around 5 mph.
Friday Night
A 20 percent chance of showers before 7pm. Patchy frost after 4am. Otherwise, partly cloudy, with a low around 37. North wind around 5 mph.
Saturday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Partly sunny, with a high near 71.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 77.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 65.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.9°N 90.65°W (Elev. 774 ft)
Last Update:
2:52 pm CDT Apr 30, 2026
Forecast Valid:
4pm CDT Apr 30, 2026-6pm CDT May 6, 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