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Farmington, Illinois Weather Forecast
Farmington, Illinois Weather
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Click for Hazardous Weather Outlook for Farmington, Illinois
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Weather Forecast for Farmington, Illinois : Fulton County
Issued: 1:51 pm CST Dec 26, 2025 Latitude: 40.6980933 Longitude: -90.0059483 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday New Year's Day
Mostly Cloudy on This Afternoon Patchy Fog on Tonight Morning Fog on Saturday 90% chance of thunderstorms on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on New Year's Day
High: 49°F Low: 40°F High: 53°F High: 60 °F High: 22°F High: 32°F High: 33°F High: 20°F
Low: 57 °F Low: 14°F Low: 13°F Low: 23°F Low: 11°F  
Mostly Cloudy Patchy Fog Morning Fog Thunderstorms Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
PEORIA - (KPIA)
50°
Cloudy
as of 1:54 PM CST
Rel. Humidity: 81%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 1200ft
Current Conditions at
GALESBURG - (KGBG)
45°
Feels like 39°F
Cloudy
as of 2:15 PM CST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: IFR
Wind Data
10 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
48°
Feels like 43°F
Cloudy
as of 2:15 PM CST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: IFR
Wind Data
12 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
46°
Feels like 41°F
Cloudy
as of 2:15 PM CST
Rel. Humidity: 81%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
10 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 1100ft
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a steady temperature around 49. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Patchy Fog on Tonight Tonight... Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 40. North northwest wind around 6 mph becoming calm.
Morning Fog on Saturday Saturday... Patchy fog before 9am. Otherwise, cloudy, with a high near 53. Southeast wind 6 to 13 mph, with gusts as high as 23 mph.
50% chance of rain Saturday Night Saturday Night... A 50 percent chance of rain after midnight. Cloudy, with a temperature rising to around 57 by 5am. South wind 8 to 11 mph, with gusts as high as 22 mph.
90% chance of thunderstorms Sunday Sunday... Rain likely and possibly a thunderstorm, then rain after 9am. Temperature rising to near 60 by noon, then falling to around 50 during the remainder of the day. South wind 7 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
40% chance of rain, snow, & sleet Sunday Night Sunday Night... A chance of rain before 9pm, then a chance of snow and sleet between 9pm and midnight. Mostly cloudy, with a low around 14. Blustery, with a west northwest wind 21 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.
Partly Sunny on Monday Monday... Partly sunny, with a high near 22. Blustery, with a west northwest wind 20 to 28 mph, with gusts as high as 39 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 13.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 32.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 23.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 33.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 11.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 20.
Current Radar Image


Sun Almanac for Farmington, Illinois
Sunrise: 07:23 AM
Sunset: 4:39 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:18 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.