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

44°F

7°C

Humidity 94%
Wind Speed E 14 mph
Barometer 30.12 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 1 Apr 1:55 pm CDT
Extended Forecast for

Monmouth IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 48. East wind around 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Temperature falling to near 43 by 8pm, then rising to around 49 during the remainder of the night. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F⇑

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then occasional showers and thunderstorms, mainly after 1pm. High near 72. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Breezy.
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Occasional showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 47. Breezy, with a south wind 15 to 20 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%.

    Low: 47 °F

    T-storms and
    Breezy then
    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 46. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 53. Breezy.

    High: 53 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 48. East wind around 15 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Temperature falling to near 43 by 8pm, then rising to around 49 during the remainder of the night. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and possibly a thunderstorm before 1pm, then occasional showers and thunderstorms, mainly after 1pm. High near 72. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Occasional showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 47. Breezy, with a south wind 15 to 20 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm, mainly after 4pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 46. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 53. Breezy.
Saturday Night
Partly cloudy, with a low around 35. Breezy.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 52.
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 90.62°W (Elev. 719 ft)
Last Update:
1:26 pm CDT Apr 1, 2026
Forecast Valid:
2pm CDT Apr 1, 2026-6pm CDT Apr 7, 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