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Denny, Illinois Weather Forecast
Denny, Illinois Weather
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Weather Forecast for Denny, Illinois : Perry County
Issued: 11:01 am CST Nov 10, 2025 Latitude: 38.0475507 Longitude: -89.3270302 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Veterans Day Wednesday Thursday Friday Saturday Sunday
Sunny on Today Mostly Clear on Tonight Partly Sunny on Veterans Day Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday 20% chance of  on Sunday
High: 40°F Low: 23°F High: 51°F High: 64°F High: 64°F High: 73°F High: 73°F High: 64°F
Low: 37°F Low: 36°F Low: 48°F Low: 55°F Low: 54°F  
Sunny Mostly Clear Partly Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
SPARTA - (KSAR)
36°
Feels like 26°F
Clear
as of 10:35 AM CST
Rel. Humidity: 47%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.39 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 23 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
37°
Feels like 27°F
Partly Cloudy
as of 10:35 AM CST
Rel. Humidity: 47%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 23 MPH
330° Northwest
Cloud Level(s): Scattered at 4300ft, Scattered at 5000ft
Sunny on Today Today... Sunny, with a high near 40. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 23. West northwest wind 5 to 7 mph becoming light and variable.

Partly Sunny on Veterans Day Veterans Day... Partly sunny, with a high near 51. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 37. Southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 23 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 64. West northwest wind 5 to 9 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 36. Light and variable wind.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 64. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 48. South southeast wind 6 to 8 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 73. South wind 9 to 14 mph, with gusts as high as 21 mph.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 55. South wind 9 to 13 mph, with gusts as high as 18 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 73. South wind 10 to 16 mph, with gusts as high as 23 mph.

20% chance of rain Saturday Night Saturday Night... A chance of showers. Mostly cloudy, with a low around 54. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.

20% chance of  Sunday Sunday... A chance of showers. Partly sunny, with a high near 64. Southwest wind 11 to 15 mph, with gusts as high as 21 mph.

Current Radar Image


Sun Almanac for Denny, Illinois
Sunrise: 06:33 AM
Sunset: 4:49 PM
Civil Sunrise:06:06 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 05:34 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:03 AM
Astro Sunset: 6:20 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.