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Southport, Illinois Weather Forecast
Southport, Illinois Weather
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Weather Forecast for Southport, Illinois : Peoria County
Issued: 2:32 am CST Dec 21, 2025 Latitude: 40.7925372 Longitude: -89.8987207 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Clear on Overnight Sunny on Sunday Mostly Cloudy on Monday Mostly Sunny on Tuesday Cloudy on Wednesday Mostly Cloudy on Christmas Day Mostly Cloudy on Friday Mostly Cloudy on Saturday
Low: 21°F High: 36°F High: 44°F High: 50°F High: 55°F High: 61°F High: 48°F High: 47°F
Low: 26°F Low: 37°F Low: 34°F Low: 48°F Low: 38°F Low: 32°F  
Clear Sunny Mostly Cloudy Mostly Sunny Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
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Current Conditions at
PEORIA - (KPIA)
28°
Clear
as of 1:54 AM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
5 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
GALESBURG - (KGBG)
23°
Clear
as of 2:35 AM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
6 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
25°
Clear
as of 2:35 AM CST
Rel. Humidity: 58%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
5 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
28°
Clear
as of 2:35 AM CST
Rel. Humidity: 58%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 21. North northwest wind 5 to 7 mph, with gusts as high as 15 mph.
Sunny on Sunday Sunday... Sunny, with a high near 36. Calm wind becoming south southeast around 6 mph in the afternoon.
Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 26. Light south southeast wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 21 mph.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 44. South wind 8 to 13 mph, with gusts as high as 22 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 37. South southwest wind around 7 mph, with gusts as high as 16 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 50. West southwest wind around 6 mph becoming light and variable in the afternoon.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34. Calm wind becoming east southeast around 6 mph after midnight.
Cloudy on Wednesday Wednesday... Cloudy, with a high near 55.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 48.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 61.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 38.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 48.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 32.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 47.
Current Radar Image


Sun Almanac for Southport, Illinois
Sunrise: 07:21 AM
Sunset: 4:35 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:14 PM
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