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Farmington, Illinois Weather Forecast
Farmington, Illinois Weather
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Weather Forecast for Farmington, Illinois : Fulton County
Issued: 11:51 pm CST Jan 21, 2026 Latitude: 40.6980933 Longitude: -90.0059483 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Overnight Mostly Sunny on Thursday Partly Sunny on Friday 40% chance of snow on Saturday 30% chance of snow on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday
Low: 17°F High: 32°F High: 2 °F High: 9 °F High: 16°F High: 13°F High: 25°F High: 22°F
Low: -6°F Low: -5°F Low: 5 °F Low: -2°F Low: 3°F Low: 10°F  
Mostly Clear Mostly Sunny Partly Sunny Snow Snow Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
PEORIA - (KPIA)
27°
Feels like 14°F
Cloudy
as of 11:02 PM CST
Rel. Humidity: 63%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 29 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 3200ft
Current Conditions at
GALESBURG - (KGBG)
23°
Feels like 10°F
Partly Cloudy
Light Snow
as of 11:35 PM CST
Rel. Humidity: 79%
Dew Point: 18°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
14 MPH
Gust: 22 MPH
300° Northwest
Cloud Level(s): Scattered at 2500ft, Scattered at 3000ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
23°
Feels like 8°F
Clear
as of 11:35 PM CST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 30 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
23°
Feels like 9°F
Partly Cloudy
as of 11:35 PM CST
Rel. Humidity: 49%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 30 MPH
310° Northwest
Cloud Level(s): Scattered at 3600ft
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 17. West northwest wind 13 to 18 mph decreasing to 7 to 12 mph. Winds could gust as high as 32 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 32. West wind 7 to 15 mph, with gusts as high as 26 mph.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around -6. Wind chill values between -14 and -24. North northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Partly Sunny on Friday Friday... Partly sunny and cold, with a high near 2. Wind chill values between -16 and -26. North wind 10 to 16 mph, with gusts as high as 24 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -5. North northeast wind around 10 mph, with gusts as high as 20 mph.
40% chance of snow Saturday Saturday... A 40 percent chance of snow after noon. Cloudy and cold, with a high near 9. Northeast wind around 9 mph, with gusts as high as 18 mph.
60% chance of snow Saturday Night Saturday Night... Snow likely, mainly before midnight. Cloudy, with a low around 5. Northeast wind around 8 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.
30% chance of snow Sunday Sunday... A 30 percent chance of snow before noon. Mostly cloudy, with a high near 16.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -2.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 13.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 3.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 25.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 10.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 22.
Current Radar Image


Sun Almanac for Farmington, Illinois
Sunrise: 07:18 AM
Sunset: 5:05 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:35 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:08 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:41 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.