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New Windsor, Illinois Weather Forecast
New Windsor, Illinois Weather
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Weather Forecast for New Windsor, Illinois : Mercer County
Issued: 10:46 pm CST Dec 4, 2025 Latitude: 41.2022584 Longitude: -90.4423521 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Morning Fog on Overnight Morning Fog on Friday Partly Sunny on Saturday 30% chance of snow on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday 40% chance of rain & snow on Wednesday Partly Sunny on Thursday
Low: 8 °F High: 32°F High: 28°F High: 24°F High: 24°F High: 33°F High: 35°F High: 25°F
Low: 21°F Low: 22°F Low: -1°F Low: 19°F Low: 29°F Low: 11°F  
Morning Fog Morning Fog Partly Sunny Snow Partly Sunny Mostly Cloudy Rain & Snow Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
Clear
as of 11:52 PM CST
Rel. Humidity: 71%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
GALESBURG - (KGBG)
Clear
as of 12:15 AM CST
Rel. Humidity: 92%
Dew Point: 3°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
10°
Feels like -5°F
Mostly Cloudy
as of 11:52 PM CST
Rel. Humidity: 66%
Dew Point: 1°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
14 MPH
170° South
Cloud Level(s): Broken at 4200ft
Current Conditions at
MUSCATINE - (KMUT)
10°
Cloudy
as of 12:15 AM CST
Rel. Humidity: 92%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
3 MPH
160° South
Morning Fog on Overnight Overnight... Patchy fog. Otherwise, partly cloudy, with a temperature rising to around 8 by 4am. Wind chill values as low as -10. South wind around 10 mph.

Morning Fog on Friday Friday... Patchy fog before 9am. Otherwise, increasing clouds, with a high near 32. Wind chill values as low as -5. South wind 10 to 15 mph, with gusts as high as 20 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 21. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 28. Northwest wind around 5 mph becoming northeast in the afternoon.

70% chance of snow Saturday Night Saturday Night... Snow likely, mainly after midnight. Cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

30% chance of snow Sunday Sunday... A 30 percent chance of snow before noon. Partly sunny, with a high near 24.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -1.

Partly Sunny on Monday Monday... Partly sunny, with a high near 24.

30% chance of snow Monday Night Monday Night... A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 19.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 33.

50% chance of snow Tuesday Night Tuesday Night... A 50 percent chance of snow. Cloudy, with a low around 29.

40% chance of rain & snow Wednesday Wednesday... A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 11.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 25.

Current Radar Image


Sun Almanac for New Windsor, Illinois
Sunrise: 07:12 AM
Sunset: 4:33 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:12 PM
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