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

77°F

25°C

Humidity 81%
Wind Speed S 7 mph
Barometer 30.10 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 6 Aug 1:55 pm CDT
Extended Forecast for

Monmouth IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. Southwest wind around 5 mph.

    High: 79 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Increasing clouds, with a low around 67. Calm wind.

    Low: 67 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 85 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before 2am. Increasing clouds, with a low around 67. Southwest wind around 5 mph.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    Mostly Clear
    then Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. Southwest wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Increasing clouds, with a low around 67. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before 2am. Increasing clouds, with a low around 67. Southwest wind around 5 mph.
Saturday
Sunny, with a high near 83.
Saturday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Monday
Partly sunny, with a high near 88.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monmouth IL
 40.92°N 90.65°W (Elev. 751 ft)
Last Update:
1:26 pm CDT Aug 6, 2026
Forecast Valid:
2pm CDT Aug 6, 2026-6pm CDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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