url:
Denny, Illinois Weather Forecast
Denny, Illinois Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

No Watches or Warnings for Denny
Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Denny, Illinois : Perry County
Issued: 11:11 pm CST Jan 6, 2026 Latitude: 38.0475507 Longitude: -89.3270302 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Clear on Tonight Mostly Sunny on Wednesday 80% chance of thunderstorms on Thursday 20% chance of  on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
Low: 37°F High: 58°F High: 65°F High: 60°F High: 49°F High: 38°F High: 47°F High: 49°F
Low: 45°F Low: 55°F Low: 43°F Low: 27°F Low: 26°F Low: 31°F  
Mostly Clear Mostly Sunny Thunderstorms Partly Sunny Partly Sunny Mostly Sunny Sunny Mostly Sunny
-
Current Conditions at
CARBONDALE - (KMDH)
54°
Clear
as of 10:52 PM CST
Rel. Humidity: 50%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
6 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
SPARTA - (KSAR)
50°
Clear
as of 11:15 PM CST
Rel. Humidity: 53%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
52°
Clear
as of 11:15 PM CST
Rel. Humidity: 53%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
5 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
43°
Cloudy
as of 11:15 PM CST
Rel. Humidity: 100%
Dew Point: 43°F
Visibility: 1/4 Miles
Pressure: 29.89 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 300ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 37. Light and variable wind.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 58. Calm wind becoming south around 6 mph in the afternoon.

Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 45. South southeast wind around 6 mph.

80% chance of thunderstorms Thursday Thursday... Showers, with thunderstorms also possible after 3pm. High near 65. South southeast wind 7 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

70% chance of thunderstorms Thursday Night Thursday Night... Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 55. South southwest wind 9 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

20% chance of  Friday Friday... A 20 percent chance of showers. Partly sunny, with a high near 60. West southwest wind 6 to 9 mph becoming north northeast in the afternoon.

40% chance of rain Friday Night Friday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 43. Northeast wind 6 to 9 mph becoming west northwest after midnight.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 22 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 27. West wind around 10 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 38. West northwest wind 6 to 10 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 26. West northwest wind around 5 mph becoming light and variable.

Sunny on Monday Monday... Sunny, with a high near 47. South southwest wind 5 to 9 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31. Southwest wind around 6 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 49. West southwest wind 5 to 8 mph.

Current Radar Image


Sun Almanac for Denny, Illinois
Sunrise: 07:14 AM
Sunset: 4:54 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:27 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.