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Nashville, Illinois Weather Forecast
Nashville, Illinois Weather
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Weather Forecast for Nashville, Illinois : Washington County
Issued: 4:46 pm CST Dec 5, 2025 Latitude: 38.3436612 Longitude: -89.3806398 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Increasing Clouds on Tonight Partly Sunny on Saturday 20% chance of rain on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday 30% chance of rain on Wednesday Mostly Cloudy on Thursday Mostly Sunny on Friday
Low: 28°F High: 42°F High: 42°F High: 34°F High: 48°F High: 48°F High: 42°F High: 33°F
Low: 32°F Low: 21°F Low: 23°F Low: 38°F Low: 27°F Low: 23°F  
Increasing Clouds Partly Sunny Rain Mostly Sunny Mostly Sunny Rain Mostly Cloudy Mostly Sunny
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Current Conditions at
CENTRALIA MUNICIPAL ARPT - (KENL)
Cloudy
as of 6:35 PM CST
Wind Data
Calm
Current Conditions at
SPARTA - (KSAR)
34°
Clear
as of 6:35 PM CST
Rel. Humidity: 64%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
8 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
MT VERNON - (KMVN)
Clear
as of 5:56 PM CST
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SALEM-LECKRONE ARPT - (KSLO)
34°
Clear
as of 6:35 PM CST
Rel. Humidity: 59%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Clear
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 28. Southwest wind 5 to 9 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 42. Calm wind becoming southeast around 6 mph in the afternoon.

30% chance of rain Saturday Night Saturday Night... A 30 percent chance of rain, mainly after 5am. Cloudy, with a low around 32. Southeast wind 7 to 10 mph, with gusts as high as 21 mph.

20% chance of rain Sunday Sunday... A 20 percent chance of rain before noon. Mostly cloudy, with a high near 42. South wind 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

30% chance of rain & snow Sunday Night Sunday Night... A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 21. North wind 8 to 10 mph. Chance of precipitation is 30%.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 34.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 23.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 48.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 38.

30% chance of rain Wednesday Wednesday... A 30 percent chance of rain. Mostly cloudy, with a high near 48.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 27.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 42.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 23.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 33.

Current Radar Image


Sun Almanac for Nashville, Illinois
Sunrise: 07:00 AM
Sunset: 4:37 PM
Civil Sunrise:06:30 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:26 AM
Astro Sunset: 6:11 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.