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Nachusa, Illinois Weather Forecast
Nachusa, Illinois Weather
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Weather Forecast for Nachusa, Illinois : Lee County
Issued: 9:16 pm CST Dec 4, 2025 Latitude: 41.8314209 Longitude: -89.3898229 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Morning Fog on Tonight Mostly Sunny on Friday Partly Sunny on Saturday 30% chance of snow on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday 20% chance of snow on Wednesday Partly Sunny on Thursday
Low: 8 °F High: 28°F High: 27°F High: 22°F High: 21°F High: 31°F High: 33°F High: 22°F
Low: 26°F Low: 16°F Low: -2°F Low: 13°F Low: 20°F Low: 8°F  
Morning Fog Mostly Sunny Partly Sunny Snow Partly Sunny Mostly Cloudy Snow Partly Sunny
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Current Conditions at
STERLING ROCK - (KSQI)
-6°
Clear
as of 10:56 PM CST
Rel. Humidity: 83%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
ROCKFORD - (KRFD)
-2°
Mostly Clear
as of 10:54 PM CST
Rel. Humidity: 84%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
5 MPH
140° Southeast
Cloud Level(s): Few at 25000ft
Morning Fog on Tonight Tonight... Patchy freezing fog. Mostly cloudy, with a temperature rising to around 8 by 5am. Wind chill values as low as -15. South wind 5 to 10 mph, with gusts as high as 15 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 28. Wind chill values as low as -5. South southwest wind around 10 mph, with gusts as high as 20 mph.
30% chance of freezing rain & snow Friday Night Friday Night... Patchy snow and freezing rain before midnight. Mostly cloudy, with a steady temperature around 26. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 27. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 10 mph.
60% chance of snow Saturday Night Saturday Night... Snow likely, mainly after midnight. Mostly cloudy, with a low around 16. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
30% chance of snow Sunday Sunday... A 30 percent chance of snow before noon. Partly sunny, with a high near 22.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around -2.
Partly Sunny on Monday Monday... Partly sunny, with a high near 21.
20% chance of snow Monday Night Monday Night... A chance of snow. Mostly cloudy, with a low around 13.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 31.
Snow on Tuesday Night Tuesday Night... Snow likely. Cloudy, with a low around 20.
20% chance of snow Wednesday Wednesday... A chance of snow. Mostly cloudy, with a high near 33.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 8.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 22.
Sun Almanac for Nachusa, Illinois
Sunrise: 07:10 AM
Sunset: 4:27 PM
Civil Sunrise:06:39 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:06 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.