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

79°F

26°C

Humidity 66%
Wind Speed N 3 mph
Barometer 30.08 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 8 Aug 1:15 pm CDT
Extended Forecast for

3 Miles SSE Monmouth IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. North wind around 5 mph becoming calm.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 73. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 83. North wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 73. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 89.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 84.
Wednesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 66.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 77.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Monmouth IL
 40.88°N 90.62°W (Elev. 781 ft)
Last Update:
12:21 pm CDT Aug 8, 2026
Forecast Valid:
1pm CDT Aug 8, 2026-6pm CDT Aug 14, 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