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Sullivan, Illinois Weather Forecast
Sullivan, Illinois Weather
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Weather Forecast for Sullivan, Illinois : Moultrie County
Issued: 2:32 am CST Dec 21, 2025 Latitude: 39.599479 Longitude: -88.6078392 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Mostly Clear on Overnight Sunny on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday Cloudy on Wednesday Partly Sunny on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday
Low: 23°F High: 38°F High: 46°F High: 56°F High: 60°F High: 66°F High: 54°F High: 51°F
Low: 25°F Low: 40°F Low: 36°F Low: 52°F Low: 45°F Low: 35°F  
Mostly Clear Sunny Partly Sunny Mostly Sunny Cloudy Partly Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
MATTOON - (KMTO)
28°
Feels like 19°F
Clear
as of 1:53 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
10 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
30°
Clear
as of 1:54 AM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
CHAMPAIGN - (KCMI)
28°
Feels like 19°F
Clear
as of 1:53 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
9 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
30°
Clear
as of 2:35 AM CST
Rel. Humidity: 63%
Dew Point: 19°F
Pressure: 30.32 in.
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 23. North northwest wind 7 to 9 mph, with gusts as high as 16 mph.
Sunny on Sunday Sunday... Sunny, with a high near 38. North wind 5 to 7 mph becoming light and variable.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 25. South southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Partly Sunny on Monday Monday... Partly sunny, with a high near 46. South southeast wind 9 to 13 mph, with gusts as high as 21 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 40. South southwest wind 8 to 10 mph, with gusts as high as 17 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 56. Southwest wind 5 to 8 mph becoming north in the afternoon.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 36. Light and variable wind becoming east southeast 5 to 7 mph after midnight.
Cloudy on Wednesday Wednesday... Cloudy, with a high near 60.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 52.
Partly Sunny on Christmas Day Christmas Day... Partly sunny, with a high near 66.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 45.
Partly Sunny on Friday Friday... Partly sunny, with a high near 54.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 35.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 51.
Current Radar Image


Sun Almanac for Sullivan, Illinois
Sunrise: 07:12 AM
Sunset: 4:34 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:11 PM
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