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Nelson, Illinois Weather Forecast
Nelson, Illinois Weather
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Weather Forecast for Nelson, Illinois : Lee County
Issued: 12:06 am CST Dec 5, 2025 Latitude: 41.7964208 Longitude: -89.6017723 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Morning Fog on Overnight 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: 29°F High: 27°F High: 22°F High: 21°F High: 31°F High: 33°F High: 23°F
Low: 22°F Low: 15°F Low: -3°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 11:56 PM CST
Rel. Humidity: 83%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
100° East
Cloud Level(s): Clear
Morning Fog on Overnight Overnight... Patchy freezing fog after 1am. Mostly cloudy, with a temperature rising to around 8 by 5am. Wind chill values as low as -11. South wind 5 to 10 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 29. Wind chill values as low as -4. 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 low around 22. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 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 morning. 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 15. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 10 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.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -3.

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.

20% chance of snow Tuesday Night Tuesday Night... A chance of snow. 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 23.

Sun Almanac for Nelson, Illinois
Sunrise: 07:11 AM
Sunset: 4:28 PM
Civil Sunrise:06:40 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:31 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.