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

63°F

17°C

Humidity 85%
Wind Speed S 5 mph
Barometer 29.92 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 2:35 am CDT
Extended Forecast for

Bishop Hill IL

  • Overnight

    Overnight: Mostly cloudy early, then becoming mostly clear, with a steady temperature around 66. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 64. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Cloudy then
    Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 48. Breezy.

    Low: 48 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy early, then becoming mostly clear, with a steady temperature around 66. South wind around 10 mph, with gusts as high as 20 mph.
Columbus Day
Mostly sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 86. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 64. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56.
Thursday
Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 90%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 48. Breezy.
Friday
Mostly sunny, with a high near 58. Breezy.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 58.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bishop Hill IL
 41.2°N 90.11°W (Elev. 768 ft)
Last Update:
1:41 am CDT Oct 12, 2026
Forecast Valid:
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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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