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Farmington, Illinois Weather Forecast
Farmington, Illinois Weather
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Weather Forecast for Farmington, Illinois : Fulton County
Issued: 3:36 pm CST Jan 1, 2026 Latitude: 40.6980933 Longitude: -90.0059483 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Cloudy on Tonight Partly Sunny on Friday Mostly Cloudy on Saturday Increasing Clouds on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of rain on Thursday
Low: 21°F High: 31°F High: 34°F High: 35°F High: 50°F High: 54°F High: 49°F High: 52°F
Low: 22°F Low: 20°F Low: 31°F Low: 36°F Low: 30°F Low: 35°F  
Cloudy Partly Sunny Mostly Cloudy Increasing Clouds Mostly Sunny Partly Sunny Mostly Sunny Rain
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Current Conditions at
PEORIA - (KPIA)
28°
Clear
as of 2:54 PM CST
Rel. Humidity: 42%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
5 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
GALESBURG - (KGBG)
27°
Mostly Cloudy
as of 3:35 PM CST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: MVFR
Wind Data
6 MPH
240° Southwest
Cloud Level(s): Broken at 2000ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
28°
Cloudy
as of 3:35 PM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1800ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
25°
Clear
as of 3:35 PM CST
Rel. Humidity: 41%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Cloudy on Tonight Tonight... Partly cloudy, with a low around 21. Calm wind becoming north northwest around 5 mph.

Partly Sunny on Friday Friday... Partly sunny, with a high near 31. North northeast wind 5 to 7 mph.

Cloudy on Friday Night Friday Night... Cloudy, with a low around 22. Light northeast wind.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, then gradually becoming sunny, with a high near 34. Light and variable wind.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 20. Calm wind.

Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 35. Calm wind becoming south southeast 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 31. South wind 8 to 11 mph, with gusts as high as 22 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 50.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 36.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 54.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 30.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 49.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 35.

20% chance of rain Thursday Thursday... A chance of rain. Mostly cloudy, with a high near 52.

Current Radar Image


Sun Almanac for Farmington, Illinois
Sunrise: 07:24 AM
Sunset: 4:43 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:22 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.