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Osco, Illinois Weather Forecast
Osco, Illinois Weather
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Weather Forecast for Osco, Illinois : Henry County
Issued: 2:36 am CST Dec 21, 2025 Latitude: 41.3478134 Longitude: -90.280401 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Clear on Overnight Sunny on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday 30% chance of rain on Wednesday Mostly Cloudy on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday
Low: 18°F High: 35°F High: 44°F High: 47°F High: 53°F High: 57°F High: 43°F High: 44°F
Low: 27°F Low: 36°F Low: 32°F Low: 43°F Low: 35°F Low: 30°F  
Clear Sunny Mostly Cloudy Partly Sunny Rain Mostly Cloudy Partly Sunny Mostly Cloudy
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Current Conditions at
MOLINE - (KMLI)
25°
Clear
as of 1:52 AM CST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
19°
Clear
as of 1:52 AM CST
Rel. Humidity: 73%
Dew Point: 12°F
Pressure: 30.29 in.
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
GALESBURG - (KGBG)
23°
Clear
as of 2:35 AM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
6 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
19°
Clear
as of 1:56 AM CST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 18. Northwest wind 5 to 10 mph.
Sunny on Sunday Sunday... Sunny, with a high near 35. North wind around 5 mph becoming south in the afternoon.
Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 27. South wind 5 to 15 mph, with gusts as high as 20 mph.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 44. South wind 10 to 15 mph, with gusts as high as 25 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 36.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 47.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.
30% chance of rain Wednesday Wednesday... A 30 percent chance of rain after noon. Cloudy, with a high near 53.
Cloudy on Wednesday Night Wednesday Night... Cloudy, with a low around 43.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 57.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 35.
Partly Sunny on Friday Friday... Partly sunny, with a high near 43.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 30.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 44.
Current Radar Image


Sun Almanac for Osco, Illinois
Sunrise: 07:24 AM
Sunset: 4:35 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:15 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.