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Farmington, Illinois Weather Forecast
Farmington, Illinois Weather
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Weather Forecast for Farmington, Illinois : Fulton County
Issued: 9:36 am CST Jan 21, 2026 Latitude: 40.6980933 Longitude: -90.0059483 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today 20% chance of snow on Tonight Increasing Clouds on Thursday Partly Sunny on Friday Mostly Cloudy on Saturday Partly Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 35°F Low: 16°F High: 31°F High: 2 °F High: 8 °F High: 16°F High: 18°F High: 29°F
Low: -6°F Low: -7°F Low: 2°F Low: 0°F Low: 7°F  
Sunny Snow Increasing Clouds Partly Sunny Mostly Cloudy Partly Sunny Sunny Mostly Sunny
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Current Conditions at
GALESBURG - (KGBG)
27°
Feels like 14°F
Clear
as of 9:35 AM CST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
16 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
30°
Feels like 20°F
Clear
as of 9:35 AM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
13 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
28°
Feels like 19°F
Clear
as of 9:35 AM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
9 MPH
290° West
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 35. West southwest wind 13 to 17 mph, with gusts as high as 29 mph.

20% chance of snow Tonight Tonight... A 20 percent chance of snow before 9pm. Partly cloudy, with a low around 16. Blustery, with a west northwest wind 18 to 23 mph becoming west northwest 7 to 12 mph after midnight. Winds could gust as high as 39 mph.

Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 31. West wind 6 to 10 mph, with gusts as high as 20 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around -6. Wind chill values between -13 and -23. North northwest wind 7 to 17 mph, with gusts as high as 28 mph.

Partly Sunny on Friday Friday... Partly sunny and cold, with a high near 2. North northwest wind 10 to 16 mph, with gusts as high as 28 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -7. North wind 8 to 10 mph, with gusts as high as 18 mph.

Mostly Cloudy on Saturday Saturday... Mostly cloudy and cold, with a high near 8. Northeast wind 6 to 8 mph, with gusts as high as 16 mph.

40% chance of snow Saturday Night Saturday Night... A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 2.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 16.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 0.

Sunny on Monday Monday... Sunny, with a high near 18.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 7.

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

Current Radar Image


Sun Almanac for Farmington, Illinois
Sunrise: 07:19 AM
Sunset: 5:04 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:34 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:07 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:40 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.