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.

Fog/Mist

N/A

Humidity NA
Wind Speed N 5 mph
Barometer 30.00 in
Dewpoint N/A
Visibility 1.00 mi
Last update 4 Mar 10:35 pm CST
Extended Forecast for

3 Miles NNW Williamsfield IL

Dense Fog Advisory March 4, 10:43pm until March 5, 06:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 4, 10:43pm until March 5, 06:00am

    NOW until 6:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely and
    Areas Fog

  • Thursday

    Thursday: A 50 percent chance of rain before 9am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 59. Light and variable wind.

    High: 59 °F

    Chance Rain
    and Areas Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of rain and thunderstorms after 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 46. Calm wind becoming southeast 5 to 7 mph after midnight. Winds could gust as high as 17 mph.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: Rain and possibly a thunderstorm before 9am, then rain between 9am and noon, then a chance of showers after noon. Patchy fog before 9am. High near 76. South wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Rain and
    Patchy Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers before 9pm, then showers and possibly a thunderstorm between 9pm and 3am, then showers after 3am. Low around 47. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 60. West northwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 60 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West northwest wind around 6 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Tonight
A chance of rain before 3am, then a chance of rain and thunderstorms between 3am and 4am, then rain likely and possibly a thunderstorm after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of rain before 9am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 59. Light and variable wind.
Thursday Night
A 40 percent chance of rain and thunderstorms after 4am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 46. Calm wind becoming southeast 5 to 7 mph after midnight. Winds could gust as high as 17 mph.
Friday
Rain and possibly a thunderstorm before 9am, then rain between 9am and noon, then a chance of showers after noon. Patchy fog before 9am. High near 76. South wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers before 9pm, then showers and possibly a thunderstorm between 9pm and 3am, then showers after 3am. Low around 47. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 60. West northwest wind 8 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 34. West northwest wind around 6 mph becoming light and variable. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 74.
Monday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 56.
Tuesday
Rain. Mostly cloudy, with a high near 72.
Tuesday Night
Rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Williamsfield IL
 40.95°N 90.04°W (Elev. 653 ft)
Last Update:
10:06 pm CST Mar 4, 2026
Forecast Valid:
10pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation