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

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: 1:31 pm CST Jan 23, 2026 Latitude: 38.9089371 Longitude: -90.2142773 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Partly Sunny on This Afternoon Cloudy on Tonight 80% chance of snow on Saturday 80% chance of snow on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday
High: 11°F Low: 3 °F High: 12°F High: 16°F High: 15°F High: 32°F High: 26°F High: 20°F
Low: 9 °F Low: 1°F Low: 5°F Low: 6°F Low: 5°F  
Partly Sunny Cloudy Snow Snow Mostly Sunny Mostly Sunny Partly Sunny Mostly Sunny
-
Current Conditions at
ST CHARLES - (KSET)
Feels like -9°F
Cloudy
as of 1:54 PM CST
Rel. Humidity: 26%
Dew Point: -20°F
Visibility: 10 Miles
Pressure: 30.72 in.
Flight Rule: VFR
Wind Data
13 MPH
020° North
Cloud Level(s): Solid Overcast at 9500ft
Current Conditions at
ST LOUIS - (KSTL)
Feels like -8°F
Mostly Cloudy
as of 1:51 PM CST
Rel. Humidity: 27%
Dew Point: -18°F
Visibility: 10 Miles
Pressure: 30.69 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 23 MPH
010° North
Cloud Level(s): Broken at 9500ft, Broken at 25000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
Feels like -8°F
Cloudy
as of 1:53 PM CST
Rel. Humidity: 29%
Dew Point: -17°F
Visibility: 10 Miles
Pressure: 30.70 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 22 MPH
350° North
Cloud Level(s): Solid Overcast at 10000ft
Partly Sunny on This Afternoon This Afternoon... Partly sunny and cold, with a high near 11. Wind chill values as low as -10. North wind around 15 mph, with gusts as high as 22 mph.

Cloudy on Tonight Tonight... Cloudy, with a low around 3. Wind chill values as low as -10. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.

80% chance of snow Saturday Saturday... Snow, mainly after 1pm. High near 12. Wind chill values as low as -10. Northeast wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

100% chance of snow Saturday Night Saturday Night... Snow, mainly after 9pm. Low around 9. North wind 8 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

80% chance of snow Sunday Sunday... Snow. High near 16. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

20% chance of snow Sunday Night Sunday Night... A 20 percent chance of snow before midnight. Partly cloudy, with a low around 1.

Mostly Sunny on Monday Monday... Mostly sunny and cold, with a high near 15.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 5.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 32.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 6.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 26.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 5.

Mostly Sunny on Thursday Thursday... Mostly sunny and cold, with a high near 20.

Current Radar Image


Sun Almanac for Fairmont, Illinois
Sunrise: 07:14 AM
Sunset: 5:12 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:40 PM
Nautical Sunrise: 06:13 AM
Nautical Sunset: 6:13 PM
Astro Sunrise: 05:41 AM
Astro Sunset: 6:44 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.