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Farmington, Illinois Weather Forecast
Farmington, Illinois Weather
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Weather Forecast for Farmington, Illinois : Fulton County
Issued: 5:36 pm CST Jan 8, 2026 Latitude: 40.6980933 Longitude: -90.0059483 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
70% chance of thunderstorms on Tonight Partly Sunny on Friday 40% chance of rain & snow on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Cloudy on Tuesday Mostly Cloudy on Wednesday Partly Sunny on Thursday
Low: 40°F High: 48°F High: 40°F High: 31°F High: 44°F High: 47°F High: 37°F High: 32°F
Low: 34°F Low: 19°F Low: 23°F Low: 33°F Low: 32°F Low: 21°F  
Thunderstorms Partly Sunny Rain & Snow Mostly Sunny Mostly Sunny Mostly Cloudy Mostly Cloudy Partly Sunny
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Current Conditions at
PEORIA - (KPIA)
61°
Cloudy
Heavy Rain Mist
as of 6:11 PM CST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 1 3/4 Miles
Pressure: 29.41 in.
Flight Rule: IFR
Wind Data
20 MPH
Gust: 39 MPH
170° South
Cloud Level(s): Scattered at 600ft, Broken at 4000ft, Solid Overcast at 8000ft
Current Conditions at
GALESBURG - (KGBG)
59°
Cloudy
as of 5:55 PM CST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.38 in.
Flight Rule: MVFR
Wind Data
16 MPH
Gust: 24 MPH
170° South
Cloud Level(s): Broken at 1000ft, Solid Overcast at 1800ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
59°
Mostly Cloudy
as of 5:55 PM CST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.40 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 30 MPH
170° South
Cloud Level(s): Scattered at 900ft, Broken at 7500ft, Broken at 11000ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
55°
Cloudy
Rain
as of 5:55 PM CST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 4 Miles
Pressure: 29.46 in.
Flight Rule: IFR
Wind Data
13 MPH
Gust: 18 MPH
190° South
Cloud Level(s): Solid Overcast at 800ft
70% chance of thunderstorms Tonight Tonight... Rain and thunderstorms likely before 2am, then a slight chance of rain between 2am and 3am. Mostly cloudy, with a low around 40. Breezy, with a south wind 17 to 23 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Partly Sunny on Friday Friday... Partly sunny, with a high near 48. West wind 12 to 17 mph becoming light and variable in the afternoon. Winds could gust as high as 28 mph.

30% chance of rain & snow Friday Night Friday Night... A chance of rain after midnight, mixing with snow after 3am. Mostly cloudy, with a low around 34. Calm wind becoming west northwest around 5 mph after midnight. Chance of precipitation is 30%.

40% chance of rain & snow Saturday Saturday... A chance of rain and snow before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 40. West northwest wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 19. West northwest wind 14 to 17 mph, with gusts as high as 28 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 31. West northwest wind 7 to 17 mph, with gusts as high as 28 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 23. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 44.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 33.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 47.

20% chance of rain Tuesday Night Tuesday Night... A chance of rain. Mostly cloudy, with a low around 32.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 37.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 21.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 32.

Current Radar Image


Sun Almanac for Farmington, Illinois
Sunrise: 07:24 AM
Sunset: 4:50 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:54 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.