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Fairfield, Illinois Weather Forecast
Fairfield, Illinois Weather
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Weather Forecast for Fairfield, Illinois : Wayne County
Issued: 5:06 pm CST Dec 17, 2025 Latitude: 38.378937 Longitude: -88.3597684 View on Google Maps

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Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
30% chance of rain on Tonight 90% chance of rain on Thursday Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday Mostly Cloudy on Wednesday
Low: 45°F High: 55 °F High: 37°F High: 53°F High: 42°F High: 47°F High: 57°F High: 57°F
Low: 23°F Low: 29°F Low: 25°F Low: 27°F Low: 40°F Low: 43°F  
Rain Rain Sunny Mostly Sunny Mostly Sunny Partly Sunny Mostly Cloudy Mostly Cloudy
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Current Conditions at
FAIRFIELD MUNICIPAL ARPT - (KFWC)
50°
Clear
as of 4:55 PM CST
Rel. Humidity: 57%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
45°
Clear
as of 4:55 PM CST
Rel. Humidity: 65%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
7 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
48°
Clear
as of 4:50 PM CST
Rel. Humidity: 66%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
MT VERNON - (KMVN)
Clear
as of 4:56 PM CST
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Clear
30% chance of rain Tonight Tonight... A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 45. South wind 5 to 14 mph, with gusts as high as 31 mph.
90% chance of rain Thursday Thursday... Showers, mainly before 5pm. Temperature rising to near 55 by 10am, then falling to around 46 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 90%.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 23. West northwest wind 10 to 14 mph, with gusts as high as 28 mph.
Sunny on Friday Friday... Sunny, with a high near 37. West northwest wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 29. South wind 5 to 11 mph, with gusts as high as 23 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 53. South wind 8 to 15 mph, with gusts as high as 25 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 25. West southwest wind 5 to 7 mph becoming north after midnight.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 42. North wind 3 to 6 mph.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 27. Calm wind becoming east around 5 mph after midnight.
Partly Sunny on Monday Monday... Partly sunny, with a high near 47. Southeast wind 5 to 7 mph.
10% chance of rain Monday Night Monday Night... A slight chance of showers. Mostly cloudy, with a low around 40. South wind around 7 mph.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 57. Southwest wind 6 to 9 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 43. South southwest wind around 6 mph.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 57. South wind 6 to 8 mph.
Current Radar Image


Sun Almanac for Fairfield, Illinois
Sunrise: 07:05 AM
Sunset: 4:35 PM
Civil Sunrise:06:35 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:10 PM
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