Illiopolis, Illinois Weather
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Weather Forecast for Illiopolis, Illinois : Sangamon County
Issued: 1:26 am CST Feb 5, 2025 Latitude: 39.8536535 Longitude: -89.2420291 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight 80% chance of freezing rain on Wednesday Clearing on Thursday Increasing Clouds on Friday 80% chance of rain on Saturday Partly Sunny on Sunday Partly Sunny on Monday 20% chance of snow on Tuesday
Low: 28°F High: 35°F High: 47°F High: 39°F High: 44°F High: 35°F High: 36°F High: 32°F
Low: 39 °F Low: 26°F Low: 32°F Low: 25°F Low: 21°F Low: 22°F  
Cloudy Freezing Rain Clearing Increasing Clouds Rain Partly Sunny Partly Sunny Snow
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Current Conditions at
DECATUR - (KDEC)
28°
Feels like 17°F
Cloudy
as of 12:54 AM CST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
15 MPH
050° Northeast
Cloud Level(s): Solid Overcast at 4400ft
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
28°
Feels like 18°F
Cloudy
as of 1:15 AM CST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.36 in.
Flight Rule: MVFR
Wind Data
12 MPH
050° Northeast
Cloud Level(s): Broken at 1700ft, Solid Overcast at 4800ft
Current Conditions at
SPRINGFIELD - (KSPI)
28°
Feels like 17°F
Cloudy
as of 12:52 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: VFR
Wind Data
15 MPH
050° Northeast
Cloud Level(s): Scattered at 1600ft, Solid Overcast at 4100ft
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
28°
Feels like 17°F
Cloudy
as of 1:15 AM CST
Rel. Humidity: 86%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: MVFR
Wind Data
13 MPH
030° Northeast
Cloud Level(s): Broken at 1400ft, Solid Overcast at 1800ft
Cloudy on Overnight Overnight... Cloudy, with a low around 28. East northeast wind around 11 mph, with gusts as high as 18 mph.
80% chance of freezing rain Wednesday Wednesday... A chance of freezing rain before 2pm, then a chance of rain between 2pm and 3pm, then freezing rain after 3pm. High near 35. East southeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.
90% chance of freezing rain Wednesday Night Wednesday Night... Rain or freezing rain before midnight, then a slight chance of rain between midnight and 2am. Some thunder is also possible. Temperature rising to around 39 by 3am. East southeast wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.
Clearing on Thursday Thursday... Cloudy through mid morning, then gradual clearing, with a high near 47. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 26. West northwest wind 6 to 9 mph, with gusts as high as 15 mph.
Increasing Clouds on Friday Friday... Increasing clouds, with a high near 39. North wind around 6 mph becoming east northeast in the afternoon.
50% chance of rain & snow Friday Night Friday Night... A chance of rain and snow between midnight and 3am, then a chance of rain after 3am. Mostly cloudy, with a low around 32. East wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
80% chance of rain Saturday Saturday... Rain. High near 44. Chance of precipitation is 80%.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 25.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 35.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 21.
Partly Sunny on Monday Monday... Partly sunny, with a high near 36.
20% chance of snow Monday Night Monday Night... A chance of snow. Mostly cloudy, with a low around 22.
20% chance of snow Tuesday Tuesday... A chance of snow. Mostly cloudy, with a high near 32.
Current Radar Image


Sun Almanac for Illiopolis, Illinois
Sunrise: 07:01 AM
Sunset: 5:21 PM
Civil Sunrise:06:32 AM
Civil Sunset: 5:50 PM
Nautical Sunrise: 06:00 AM
Nautical Sunset: 6:22 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:53 PM
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