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Neilson, Illinois Weather Forecast
Neilson, Illinois Weather
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Weather Forecast for Neilson, Illinois : Williamson County
Issued: 1:01 am CST Dec 21, 2025 Latitude: 37.6303283 Longitude: -88.9606264 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Mostly Cloudy on Overnight Mostly Sunny on Sunday 20% chance of rain on Monday Partly Sunny on Tuesday Cloudy on Wednesday Mostly Cloudy on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday
Low: 32°F High: 44°F High: 53°F High: 63°F High: 66°F High: 70°F High: 64°F High: 59°F
Low: 31°F Low: 49°F Low: 50°F Low: 58°F Low: 55°F Low: 44°F  
Mostly Cloudy Mostly Sunny Rain Partly Sunny Cloudy Mostly Cloudy Partly Sunny Mostly Cloudy
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Current Conditions at
MARION - (KMWA)
32°
Clear
as of 1:15 AM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
3 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
CARBONDALE - (KMDH)
36°
Clear
as of 12:52 AM CST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
HARRISBURG-RALEIGH - (KHSB)
34°
Clear
as of 1:15 AM CST
Rel. Humidity: 64%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
5 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
41°
Clear
as of 1:15 AM CST
Rel. Humidity: 48%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 32. North wind 3 to 5 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 44. East northeast wind 3 to 8 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 31. Calm wind becoming southeast around 6 mph after midnight.

20% chance of rain Monday Monday... A 20 percent chance of rain after noon. Increasing clouds, with a high near 53. South wind 5 to 9 mph, with gusts as high as 18 mph.

40% chance of rain Monday Night Monday Night... A 40 percent chance of rain, mainly before midnight. Cloudy, with a low around 49. South southwest wind 6 to 8 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 63. Southwest wind 3 to 7 mph.

20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 50. Light and variable wind.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 66. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 58. Southwest wind around 10 mph, with gusts as high as 20 mph.

Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 70. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 55. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.

Partly Sunny on Friday Friday... Partly sunny, with a high near 64. West wind 6 to 8 mph becoming north northeast in the afternoon.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 44. North northeast wind around 6 mph becoming south southeast after midnight.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 59. South southwest wind around 7 mph.

Current Radar Image


Sun Almanac for Neilson, Illinois
Sunrise: 07:07 AM
Sunset: 4:41 PM
Civil Sunrise:06:38 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:15 PM
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