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Niantic, Illinois Weather Forecast
Niantic, Illinois Weather
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Weather Forecast for Niantic, Illinois : Macon County
Issued: 1:39 am CST Dec 21, 2025 Latitude: 39.8539297 Longitude: -89.1661942 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 Mostly Cloudy on Wednesday Mostly Cloudy on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday
Low: 23°F High: 39°F High: 46°F High: 55°F High: 60°F High: 67°F High: 53°F High: 51°F
Low: 26°F Low: 40°F Low: 36°F Low: 52°F Low: 43°F Low: 35°F  
Mostly Clear Sunny Partly Sunny Mostly Sunny Mostly Cloudy Mostly Cloudy Partly Sunny Mostly Cloudy
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Current Conditions at
DECATUR - (KDEC)
30°
Clear
as of 12:54 AM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
30°
Clear
as of 1:15 AM CST
Rel. Humidity: 54%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
3 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
32°
Clear
as of 1:15 AM CST
Rel. Humidity: 63%
Dew Point: 21°F
Pressure: 30.29 in.
Wind Data
5 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
BLOOMINGTON - (KBMI)
28°
Feels like 17°F
Clear
as of 12:56 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
13 MPH
310° Northwest
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 23. Northwest wind 6 to 8 mph, with gusts as high as 15 mph.
Sunny on Sunday Sunday... Sunny, with a high near 39. North northwest wind around 5 mph becoming light and variable.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 26. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Partly Sunny on Monday Monday... Partly sunny, with a high near 46. South southeast wind 10 to 14 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 around 10 mph, with gusts as high as 18 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 55. Southwest wind 5 to 8 mph becoming north in the afternoon.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 36. North wind 5 to 8 mph becoming east southeast after midnight.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 60.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 52.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 67.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 43.
Partly Sunny on Friday Friday... Partly sunny, with a high near 53.
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 Niantic, Illinois
Sunrise: 07:15 AM
Sunset: 4:35 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:13 PM
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