url:
Fairmont, Illinois Weather Forecast
Fairmont, Illinois Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

No Watches or Warnings for Fairmont
Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Fairmont, Illinois : Madison County
Issued: 8:37 am CST Dec 31, 2025 Latitude: 38.9089371 Longitude: -90.2142773 View on Google Maps

MouseOver for Detail Forecast
Today Tonight New Year's Day Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Today Mostly Cloudy on Tonight Partly Sunny on New Year's Day Mostly Cloudy on Friday Mostly Sunny on Saturday Partly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
High: 43°F Low: 25°F High: 37°F High: 42°F High: 40°F High: 45°F High: 55°F High: 53°F
Low: 28°F Low: 25°F Low: 24°F Low: 33°F Low: 36°F  
Mostly Cloudy Mostly Cloudy Partly Sunny Mostly Cloudy Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny
-
Current Conditions at
ST CHARLES - (KSET)
Cloudy
as of 9:54 AM CST
Pressure: 30.10 in.
Wind Data
Calm
Current Conditions at
ST LOUIS - (KSTL)
36°
Feels like 27°F
Cloudy
as of 9:51 AM CST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: MVFR
Wind Data
12 MPH
250° West
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
36°
Cloudy
as of 9:53 AM CST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: MVFR
Wind Data
6 MPH
280° West
Cloud Level(s): Solid Overcast at 1900ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 43. West wind 8 to 13 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 25. West wind 5 to 7 mph becoming light and variable.

Partly Sunny on New Year's Day New Year's Day... Partly sunny, with a high near 37. North wind around 6 mph becoming light and variable in the afternoon.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 28. Light southeast wind.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 42. Calm wind becoming northeast 5 to 7 mph in the morning.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 25.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 40.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 24.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 45.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 33.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 55.

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

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 53.

Current Radar Image


Sun Almanac for Fairmont, Illinois
Sunrise: 07:19 AM
Sunset: 4:49 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:24 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.