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

87°F

31°C

Humidity 70%
Wind Speed SE 6 mph
Barometer 30.05 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Aug 1:35 pm CDT
Extended Forecast for

Maquon IL

Heat Advisory August 17, 01:56pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 01:56pm until August 17, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 72. East southeast wind around 7 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 105. South wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South southeast wind 3 to 5 mph.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 88. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. North wind 3 to 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Light southeast wind.
Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 72. East southeast wind around 7 mph.
Monday
A slight chance of showers, with thunderstorms also possible after 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 105. South wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South southeast wind 3 to 5 mph.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 88. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 68. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 82. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maquon IL
 40.8°N 90.16°W (Elev. 614 ft)
Last Update:
1:11 pm CDT Aug 17, 2025
Forecast Valid:
1pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation