Farmington, Illinois Weather
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Weather Forecast for Farmington, Illinois : Fulton County
Issued: 4:36 pm CDT Oct 18, 2025 Latitude: 40.6980933 Longitude: -90.0059483 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
30% chance of thunderstorms on This Afternoon 90% chance of thunderstorms on Tonight 30% chance of rain on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday 20% chance of  on Friday Mostly Sunny on Saturday
High: 76°F Low: 48°F High: 61°F High: 69°F High: 59°F High: 58°F High: 63°F High: 61°F High: 65°F
Low: 40°F Low: 48°F Low: 40°F Low: 35°F Low: 42°F Low: 46°F  
Thunderstorms Thunderstorms Rain Sunny Sunny Sunny Sunny Partly Sunny Mostly Sunny
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Current Conditions at
PEORIA - (KPIA)
72°
Mostly Cloudy
as of 3:54 PM CDST
Rel. Humidity: 73%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.65 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Few at 3100ft, Scattered at 4400ft, Broken at 6000ft
Current Conditions at
GALESBURG - (KGBG)
70°
Clear
as of 4:15 PM CDST
Rel. Humidity: 68%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
73°
Clear
as of 4:15 PM CDST
Rel. Humidity: 73%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.67 in.
Flight Rule: VFR
Wind Data
6 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
72°
Clear
as of 4:15 PM CDST
Rel. Humidity: 68%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.63 in.
Flight Rule: VFR
Wind Data
3 MPH
230° Southwest
Cloud Level(s): Clear
30% chance of thunderstorms This Afternoon This Afternoon... A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. South southwest wind around 8 mph.

90% chance of thunderstorms Tonight Tonight... Showers and thunderstorms. Low around 48. Breezy, with a southwest wind 5 to 10 mph becoming northwest 18 to 23 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

30% chance of rain Sunday Sunday... A 30 percent chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 61. Breezy, with a northwest wind 20 to 23 mph, with gusts as high as 36 mph.

Clear on Sunday Night Sunday Night... Clear, with a low around 40. West northwest wind 5 to 9 mph becoming south southwest after midnight. Winds could gust as high as 17 mph.

Sunny on Monday Monday... Sunny, with a high near 69. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

30% chance of rain Monday Night Monday Night... A 30 percent chance of showers before 1am. Mostly clear, with a low around 48. South wind around 15 mph becoming west after midnight. Winds could gust as high as 26 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 59. Breezy, with a west wind 14 to 22 mph, with gusts as high as 32 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 40.

Sunny on Wednesday Wednesday... Sunny, with a high near 58.

Clear on Wednesday Night Wednesday Night... Clear, with a low around 35.

Sunny on Thursday Thursday... Sunny, with a high near 63.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 42.

20% chance of  Friday Friday... A chance of showers. Partly sunny, with a high near 61.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 46.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 65.

Current Radar Image


Sun Almanac for Farmington, Illinois
Sunrise: 07:15 AM
Sunset: 6:15 PM
Civil Sunrise:06:47 AM
Civil Sunset: 6:43 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 7:15 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 7:46 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.