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May 18th, 2026 :: 1:24 pm CDT   

Local Weather Report for
Nashville
Illinois, United States

 Nashville Weather Forecast Summary  
 
Today
May 18th
Tuesday
May 19th
Wednesday
May 20th
Thursday
May 21st
Friday
May 22nd
Mostly Sunny Thundershowers Showers Mostly Cloudy Mostly Cloudy with Showers
85°F
82°F
65°F
63°F
58°F
60°F
55°F
68°F
56°F
 
 Nashville Detailed Weather Forecast  
 
Monday, May 18th, 2026
Afternoon Temperature: 84°F
Mostly sunny with a chance of showers or thundershowers. Windy.
Evening Temperature: 69°F
Mostly cloudy with a chance of showers. Windy.
Tuesday, May 19th, 2026
Overnight Temperature: 67°F
Mostly clear with a chance of showers. Windy at times.
Morning Temperature: 74°F
Mostly sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 82°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy.
Evening Temperature: 69°F
Mostly cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Wednesday, May 20th, 2026
Overnight Temperature: 62°F
Cloudy with showers likely. Windy at times.
Morning Temperature: 58°F
Mostly cloudy. Windy at times.
Afternoon Temperature: 61°F
Cloudy. Windy at times.
Evening Temperature: 60°F
Cloudy.
Thursday, May 21st, 2026
Overnight Temperature: 56°F
Cloudy. Windy at times.
Morning Temperature: 59°F
Mostly cloudy. Windy at times.
Afternoon Temperature: 60°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 59°F
A mix of cloudy and clear skies. Windy at times.
Friday, May 22nd, 2026
Overnight Temperature: 57°F
Cloudy. Windy at times.
Morning Temperature: 57°F
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 62°F
Mostly cloudy with showers likely.
Evening Temperature: 66°F
A mix of cloudy and clear skies.
Saturday, May 23rd, 2026
Overnight Temperature: 64°F
Mostly cloudy with a chance of showers.
Morning Temperature: 69°F
Mostly cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 79°F
A mix of sun and cloud with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 73°F
Mostly clear with a chance of showers or thundershowers.
Sunday, May 24th, 2026
Overnight Temperature: 67°F
Mostly cloudy with a slight chance of showers or thundershowers.
Morning Temperature: 71°F
A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 72°F
Cloudy with a chance of showers or thundershowers.
Evening Temperature: 70°F
A mix of cloudy and clear skies with a chance of showers.
Monday, May 25th, 2026
Overnight Temperature: 67°F
Cloudy.
Morning Temperature: 68°F
Cloudy with a slight chance of showers.
Afternoon Temperature: 72°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy.
Evening Temperature: 71°F
Clear with cloudy periods with a chance of showers or thundershowers. Windy at times.
Tuesday, May 26th, 2026
Overnight Temperature: 68°F
Mostly cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 72°F
Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 81°F
A mix of sun and cloud with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 76°F
Clear with a chance of showers or thundershowers. Windy at times.





 

  [ Local Weather Report ]
Wamac, IL 
11:55 AM  73°F
thunderstorm
 
Centralia, IL 
11:55 AM  73°F
thunderstorm
 
Breese, IL 
 
Sparta, IL 
 
Du Quoin, IL 
 
Mascoutah, IL 
11:45 AM  68°F
heavy thunderstorm with rain mist
 
Trenton, IL 
 
Belleville, IL 
11:45 AM  68°F
heavy thunderstorm with rain mist
 
Mount Vernon, IL 
11:56 AM  81°F
Mostly Cloudy
 
Lebanon, IL 
11:45 AM  68°F
heavy thunderstorm with rain mist

 
This WeatherCity Weather Forecast for Nashville, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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