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Russellville, Illinois Weather Forecast
Russellville, Illinois Weather
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Weather Forecast for Russellville, Illinois : Boone County
Issued: 2:06 am CST Dec 21, 2025 Latitude: 42.3280755 Longitude: -88.7837119 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 20% chance of rain on Wednesday Cloudy on Christmas Day Mostly Cloudy on Friday Mostly Cloudy on Saturday
Low: 12°F High: 27°F High: 37°F High: 42°F High: 41°F High: 47°F High: 40°F High: 40°F
Low: 21 °F Low: 32°F Low: 27°F Low: 38°F Low: 34°F Low: 28°F  
Clear Sunny Mostly Cloudy Partly Sunny Rain Cloudy Mostly Cloudy Mostly Cloudy
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Current Conditions at
ROCKFORD - (KRFD)
19°
Feels like 7°F
Clear
as of 1:54 AM CST
Rel. Humidity: 62%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
12 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
JANESVILLE - (KJVL)
18°
Feels like 6°F
Clear
as of 2:30 AM CST
Rel. Humidity: 67%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
9 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
DE KALB TAYLOR MUNICIPAL - (KDKB)
19°
Feels like 7°F
Clear
as of 2:35 AM CST
Rel. Humidity: 67%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
10 MPH
310° Northwest
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 12. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny on Sunday Sunday... Sunny, with a high near 27. Northwest wind around 5 mph becoming south in the afternoon.
Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a temperature falling to near 21 by 8pm, then rising to around 27 during the remainder of the night. South wind 5 to 10 mph.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 37. South wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 32. South wind 5 to 10 mph becoming west after midnight.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 42.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 27.
20% chance of rain Wednesday Wednesday... A chance of showers or drizzle after noon. Cloudy, with a high near 41.
Rain on Wednesday Night Wednesday Night... Showers or drizzle likely before midnight. Cloudy, with a low around 38.
Cloudy on Christmas Day Christmas Day... Cloudy, with a high near 47.
Cloudy on Thursday Night Thursday Night... Cloudy, with a low around 34.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 40.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 28.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 40.
Sun Almanac for Russellville, Illinois
Sunrise: 07:21 AM
Sunset: 4:26 PM
Civil Sunrise:06:49 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:07 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.