National Weather Service

News Headlines

June 17, 2026 Severe Weather

Current conditions at

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

58°F

14°C

Humidity	100%
Wind Speed	Calm
Barometer	30.04 in
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	20 Jun 6:15 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Galesburg IL

Today
High: 80 °F
Sunny
Tonight
Low: 59 °F
Partly Cloudy
then Slight
Chance
Showers
Sunday
High: 70 °F
Heavy Rain
Sunday Night
Low: 56 °F
Showers
Likely
Monday
High: 75 °F
Mostly Sunny
Monday Night
Low: 54 °F
Mostly Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Wednesday
High: 78 °F
Mostly Sunny

Detailed Forecast

Today

Sunny, with a high near 80. West northwest wind 3 to 8 mph. Winds could gust as high as 16 mph.

Tonight

A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 59. Light and variable wind.

Sunday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 70. East wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Sunday Night

Showers likely, mainly before 1am. Mostly cloudy, with a low around 56. Northeast wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Mostly sunny, with a high near 75. North northeast wind 8 to 11 mph, with gusts as high as 21 mph.

Monday Night

Mostly clear, with a low around 54. North northeast wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 78. Light east northeast wind.

Tuesday Night

Mostly clear, with a low around 58.

Wednesday

Mostly sunny, with a high near 78.

Wednesday Night

Mostly clear, with a low around 57.