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Shirley, Illinois Weather Forecast
Shirley, Illinois Weather
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Weather Forecast for Shirley, Illinois : Jefferson County
Issued: 1:46 am CST Dec 21, 2025 Latitude: 38.285049 Longitude: -88.8381182 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Mostly Cloudy on Overnight Sunny on Sunday Increasing Clouds on Monday Mostly Sunny on Tuesday Cloudy on Wednesday Mostly Cloudy on Christmas Day Mostly Sunny on Friday Mostly Cloudy on Saturday
Low: 31°F High: 44°F High: 52°F High: 63°F High: 66°F High: 70°F High: 61°F High: 57°F
Low: 28°F Low: 46°F Low: 45°F Low: 58°F Low: 52°F Low: 41°F  
Mostly Cloudy Sunny Increasing Clouds Mostly Sunny Cloudy Mostly Cloudy Mostly Sunny Mostly Cloudy
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Current Conditions at
MT VERNON - (KMVN)
34°
Clear
as of 2:56 AM CST
Rel. Humidity: 50%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
5 MPH
020° North
Cloud Level(s): Clear
Current Conditions at
CENTRALIA MUNICIPAL ARPT - (KENL)
Clear
as of 2:55 AM CST
Wind Data
Calm
Current Conditions at
FAIRFIELD MUNICIPAL ARPT - (KFWC)
32°
Clear
as of 2:55 AM CST
Rel. Humidity: 63%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
5 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
SALEM-LECKRONE ARPT - (KSLO)
34°
Clear
as of 2:55 AM CST
Rel. Humidity: 59%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
5 MPH
010° North
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a steady temperature around 31. Light north wind.

Sunny on Sunday Sunday... Sunny, with a high near 44. Calm wind becoming northeast 5 to 7 mph in the morning.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 28. Southeast wind 3 to 7 mph.

Increasing Clouds on Monday Monday... Increasing clouds, with a high near 52. South wind 6 to 10 mph.

20% chance of rain Monday Night Monday Night... A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 46. Southwest wind 6 to 8 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 63. West southwest wind 5 to 7 mph becoming light and variable in the afternoon.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 45. Calm wind becoming east southeast around 5 mph after midnight.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 66. East southeast wind 5 to 11 mph becoming south southwest in the afternoon.

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 21 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 52. South southwest wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 61. 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 41. North northeast wind around 6 mph becoming south southeast after midnight.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 57. South southwest wind 6 to 8 mph.

Current Radar Image


Sun Almanac for Shirley, Illinois
Sunrise: 07:09 AM
Sunset: 4:39 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:14 PM
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