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Old Kaskaskia, Illinois Weather Forecast
Old Kaskaskia, Illinois Weather
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Weather Forecast for Old Kaskaskia, Illinois : Randolph County
Issued: 12:56 am CST Dec 21, 2025 Latitude: 37.9489411 Longitude: -89.9220531 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Mostly Cloudy on Overnight Mostly Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday Cloudy on Wednesday Sunny on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday
Low: 27°F High: 45°F High: 53°F High: 66°F High: 67°F High: 74°F High: 68°F High: 61°F
Low: 29°F Low: 46°F Low: 46°F Low: 57°F Low: 55°F Low: 47°F  
Mostly Cloudy Mostly Sunny Partly Sunny Partly Sunny Cloudy Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
SPARTA - (KSAR)
34°
Clear
as of 1:15 AM CST
Rel. Humidity: 59%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
3 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
CARBONDALE - (KMDH)
36°
Clear
as of 12:52 AM CST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
32°
Clear
as of 1:15 AM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
3 MPH
0° North
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 27. North wind 3 to 6 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 45. Light and variable wind becoming northeast around 6 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 29. Southeast wind around 6 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 53. South wind 6 to 10 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 46. South wind 5 to 8 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 66.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 46.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 67.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 57.

Sunny on Christmas Day Christmas Day... Sunny, with a high near 74.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 55.

Partly Sunny on Friday Friday... Partly sunny, with a high near 68.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 47.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 61.

Current Radar Image


Sun Almanac for Old Kaskaskia, Illinois
Sunrise: 07:12 AM
Sunset: 4:44 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:18 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.