National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

60°F

16°C

Humidity 92%
Wind Speed SE 7 mph
Barometer 29.75 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 9 Mar 10:35 pm CDT
Extended Forecast for

Williamsfield IL

  • Tonight

    Tonight: Mostly clear, with a low around 56. South wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 74. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 74 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 43. Southeast wind around 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    T-storms

  • Wednesday

    Wednesday: Showers likely before 1pm. Cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F⇓

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 27. Northwest wind 5 to 13 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 49. Light and variable wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 41. Breezy, with a south wind 14 to 21 mph, with gusts as high as 32 mph.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 56. South wind 6 to 8 mph, with gusts as high as 18 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 74. South wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 43. Southeast wind around 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely before 1pm. Cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 27. Northwest wind 5 to 13 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 49. Light and variable wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 41. Breezy, with a south wind 14 to 21 mph, with gusts as high as 32 mph.
Friday
Mostly cloudy, with a high near 53.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
Rain likely. Cloudy, with a high near 54. Breezy.
Sunday Night
Mostly cloudy, with a low around 20. Blustery.
Monday
Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsfield IL
 40.93°N 90.01°W (Elev. 696 ft)
Last Update:
10:36 pm CDT Mar 9, 2026
Forecast Valid:
10pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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