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Denny, Illinois Weather Forecast
Denny, Illinois Weather
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Weather Forecast for Denny, Illinois : Perry County
Issued: 10:06 am CST Dec 19, 2025 Latitude: 38.0475507 Longitude: -89.3270302 View on Google Maps

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This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Christmas Day
Sunny on This Afternoon Mostly Clear on Tonight Mostly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday Mostly Cloudy on Wednesday Partly Sunny on Christmas Day
High: 39°F Low: 32°F High: 53°F High: 43°F High: 48°F High: 61°F High: 66°F High: 69°F
Low: 30°F Low: 28°F Low: 43°F Low: 51°F Low: 57°F  
Sunny Mostly Clear Mostly Sunny Mostly Sunny Partly Sunny Mostly Cloudy Mostly Cloudy Partly Sunny
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Current Conditions at
CARBONDALE - (KMDH)
36°
Clear
as of 11:52 AM CST
Rel. Humidity: 43%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
8 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
34°
Feels like 26°F
Clear
as of 12:15 PM CST
Rel. Humidity: 43%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
9 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
37°
Feels like 29°F
Clear
as of 11:47 AM CST
Rel. Humidity: 47%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
12 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
37°
Feels like 29°F
Clear
as of 12:15 PM CST
Rel. Humidity: 51%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
12 MPH
260° West
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 39. West wind 5 to 9 mph becoming south.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 32. South wind 6 to 15 mph, with gusts as high as 24 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 53. South wind 7 to 16 mph, with gusts as high as 26 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 30. West wind around 6 mph becoming light and variable after midnight.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 43. Light and variable wind becoming north around 6 mph in the morning.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 28. East southeast wind 3 to 6 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 48. South wind 6 to 8 mph.

10% chance of rain Monday Night Monday Night... A slight chance of showers. Mostly cloudy, with a low around 43. South southwest wind around 7 mph.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 61. South southwest wind 7 to 10 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 51. South wind around 6 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 66. South wind 6 to 11 mph, with gusts as high as 18 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 57. South southwest wind around 10 mph, with gusts as high as 18 mph.

Partly Sunny on Christmas Day Christmas Day... Partly sunny, with a high near 69. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

Current Radar Image


Sun Almanac for Denny, Illinois
Sunrise: 07:09 AM
Sunset: 4:40 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:15 PM
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