url:
Denmark, Illinois Weather Forecast
Denmark, 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 Denmark
Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Denmark, Illinois : Perry County
Issued: 1:26 pm CST Dec 7, 2025 Latitude: 37.9975515 Longitude: -89.4973158 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
20% chance of rain on This Afternoon 20% chance of rain & snow on Tonight Mostly Cloudy on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain & snow on Thursday Partly Sunny on Friday Mostly Sunny on Saturday
High: 46°F Low: 24°F High: 36°F High: 50°F High: 50°F High: 38°F High: 29°F High: 22°F
Low: 25°F Low: 41°F Low: 27°F Low: 20°F Low: 8 °F  
Rain Rain & Snow Mostly Cloudy Mostly Sunny Partly Sunny Rain & Snow Partly Sunny Mostly Sunny
-
Current Conditions at
SPARTA - (KSAR)
43°
Feels like 36°F
Cloudy
as of 1:15 PM CST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: MVFR
Wind Data
10 MPH
350° North
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
CARBONDALE - (KMDH)
45°
Feels like 39°F
Cloudy
Haze
as of 12:52 PM CST
Rel. Humidity: 81%
Dew Point: 39°F
Visibility: 5 Miles
Pressure: 30.04 in.
Flight Rule: MVFR
Wind Data
9 MPH
350° North
Cloud Level(s): Solid Overcast at 1700ft
Current Conditions at
MARION - (KMWA)
46°
Feels like 41°F
Cloudy
Haze
as of 12:45 PM CST
Rel. Humidity: 75%
Dew Point: 39°F
Visibility: 5 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
12 MPH
350° North
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
CAIRO - (KCIR)
46°
Cloudy
as of 1:15 PM CST
Rel. Humidity: 75%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 4300ft
20% chance of rain This Afternoon This Afternoon... A slight chance of drizzle between 3pm and 5pm, then a slight chance of showers after 5pm. Cloudy, with a high near 46. North wind 7 to 10 mph. Chance of precipitation is 20%.
20% chance of rain & snow Tonight Tonight... A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and 11pm. Cloudy, with a low around 24. North wind 7 to 10 mph. Chance of precipitation is 20%.
Mostly Cloudy on Monday Monday... Mostly cloudy, then gradually becoming sunny, with a high near 36. North wind 5 to 7 mph becoming calm in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 25. Light south wind becoming south southwest 6 to 11 mph after midnight. Winds could gust as high as 18 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 50. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 41. Southwest wind around 15 mph, with gusts as high as 24 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 50. West southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
10% chance of snow Wednesday Night Wednesday Night... A slight chance of snow showers after midnight. Mostly cloudy, with a low around 27. North northwest wind around 6 mph becoming light and variable.
20% chance of rain & snow Thursday Thursday... A chance of rain and snow showers, mainly before noon. Mostly cloudy, with a high near 38. Northeast wind 5 to 8 mph becoming west southwest in the afternoon.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 20. North northwest wind 6 to 10 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 29. Northwest wind around 11 mph, with gusts as high as 18 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 8. Northwest wind around 10 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 22. Northwest wind 6 to 9 mph.
Current Radar Image


Sun Almanac for Denmark, Illinois
Sunrise: 07:01 AM
Sunset: 4:38 PM
Civil Sunrise:06:32 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 05:59 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:27 AM
Astro Sunset: 6:12 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.