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Farmington, Illinois Weather Forecast
Farmington, Illinois Weather
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Weather Forecast for Farmington, Illinois : Fulton County
Issued: 4:27 am CST Jan 7, 2026 Latitude: 40.6980933 Longitude: -90.0059483 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Morning Fog on Today Increasing Clouds on Tonight 100% chance of rain on Thursday Mostly Cloudy on Friday 50% chance of rain & snow on Saturday Mostly Sunny on Sunday Sunny on Monday Partly Sunny on Tuesday
High: 54°F Low: 40°F High: 59°F High: 49°F High: 40°F High: 29°F High: 41°F High: 43°F
Low: 43°F Low: 35°F Low: 20°F Low: 20°F Low: 28°F  
Morning Fog Increasing Clouds Rain Mostly Cloudy Rain & Snow Mostly Sunny Sunny Partly Sunny
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Current Conditions at
PEORIA - (KPIA)
34°
Cloudy
Mist
as of 3:54 AM CST
Rel. Humidity: 100%
Dew Point: 34°F
Visibility: 4 Miles
Pressure: 29.88 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
GALESBURG - (KGBG)
Cloudy
Fog
as of 4:15 AM CST
Visibility: Less than 1/4 Miles
Pressure: 29.88 in.
Flight Rule: LIFR
Wind Data
5 MPH
010° North
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
27°
Cloudy
Freezing Fog
as of 4:15 AM CST
Rel. Humidity: 100%
Dew Point: 27°F
Visibility: 1/2 Miles
Pressure: 29.90 in.
Flight Rule: LIFR
Wind Data
3 MPH
160° South
Cloud Level(s): Solid Overcast at 100ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
34°
Cloudy
Mist
as of 4:15 AM CST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: 5 Miles
Pressure: 29.88 in.
Flight Rule: IFR
Wind Data
5 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 500ft
Morning Fog on Today Today... Areas of dense fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 54. Light south southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 40. South wind 8 to 10 mph, with gusts as high as 18 mph.

100% chance of rain Thursday Thursday... Rain, mainly after noon. High near 59. South southeast wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

80% chance of rain Thursday Night Thursday Night... Rain before midnight. Low around 43. South wind 11 to 18 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 49. West wind 7 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

50% chance of rain Friday Night Friday Night... A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 35. North northeast wind 6 to 9 mph, with gusts as high as 17 mph.

50% chance of rain & snow Saturday Saturday... A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 40. West wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 20.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 29.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 20.

Sunny on Monday Monday... Sunny, with a high near 41.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 28.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 43.

Current Radar Image


Sun Almanac for Farmington, Illinois
Sunrise: 07:24 AM
Sunset: 4:49 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:27 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.