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.

Partly Cloudy

38°F

3°C

Humidity 90%
Wind Speed SW 9 mph
Barometer 29.75 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 8:15 am CST
Extended Forecast for

Gilson IL

  • Today

    Today: Mostly cloudy, with a high near 50. West wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Blustery, with a west wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 26 mph.

    Low: 28 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 25 by 4pm. Blustery, with a north northwest wind 16 to 22 mph, with gusts as high as 38 mph.

    High: 30 °F⇓

    Decreasing
    Clouds and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 14. Wind chill values between 4 and 9. North northwest wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 30. North northwest wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 25. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 25 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Friday

    Friday: A 40 percent chance of snow showers after noon. Mostly cloudy, with a high near 37. West wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 21.

    High: 21 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 50. West wind 13 to 16 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 28. Blustery, with a west wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 25 by 4pm. Blustery, with a north northwest wind 16 to 22 mph, with gusts as high as 38 mph.
Wednesday Night
Mostly clear, with a low around 14. Wind chill values between 4 and 9. North northwest wind 8 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 30. North northwest wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 25. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of snow showers after noon. Mostly cloudy, with a high near 37. West wind 14 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Mostly cloudy, with a high near 21.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Mostly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 6.
M.L.King Day
Mostly sunny, with a high near 25.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gilson IL
 40.87°N 90.21°W (Elev. 699 ft)
Last Update:
4:16 am CST Jan 13, 2026
Forecast Valid:
8am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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