Fairmont, Illinois Weather
Issued: 4:21 am CST Dec 10, 2025 Latitude: 38.9089371 Longitude: -90.2142773 View on Google Maps
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Mostly Cloudy |
Increasing Clouds |
Partly Sunny |
Snow |
Sunny |
Mostly Sunny |
Partly Sunny |
Current Conditions at
ALTON - (KALN)
Cloudy
as of 5:55 AM CST
Rel. Humidity: 61%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.60 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 31 MPH
300° Northwest
Cloud Level(s): Broken at 3500ft, Solid Overcast at 4200ft
Current Conditions at
ST CHARLES - (KSET)
Mostly Cloudy
as of 5:54 AM CST
Rel. Humidity: 65%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.61 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 38 MPH
300° Northwest
Cloud Level(s): Scattered at 3700ft, Broken at 4600ft
Current Conditions at
ST LOUIS - (KSTL)
Mostly Cloudy
as of 5:51 AM CST
Rel. Humidity: 61%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.61 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 30 MPH
300° Northwest
Cloud Level(s): Few at 3700ft, Few at 4500ft, Broken at 15000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
52°
Partly Cloudy
as of 5:53 AM CST
Rel. Humidity: 53%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.60 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 32 MPH
300° Northwest
Cloud Level(s): Scattered at 4600ft
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Today... A slight chance of rain before 7am, then a chance of sprinkles between 7am and 11am. Mostly cloudy, with a temperature falling to around 34 by 5pm. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 46 mph. Chance of precipitation is 20%. |
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Tonight... Mostly cloudy, with a low around 24. Northwest wind 6 to 11 mph becoming light after midnight. |
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Thursday... Increasing clouds, with a high near 39. Light and variable wind becoming southeast 5 to 8 mph in the morning. |
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Thursday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 32. Southeast wind around 8 mph becoming west after midnight. |
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Friday... Partly sunny, with a high near 39. Northwest wind 8 to 14 mph, with gusts as high as 21 mph. |
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Friday Night... Mostly cloudy, with a low around 20. |
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Saturday... A 20 percent chance of snow after noon. Mostly cloudy, with a high near 31. |
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Saturday Night... Mostly cloudy, with a low around 7. |
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Sunday... Sunny, with a high near 22. |
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Sunday Night... Mostly clear, with a low around 11. |
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Monday... Mostly sunny, with a high near 36. |
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Monday Night... Mostly cloudy, with a low around 27. |
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Tuesday... Partly sunny, with a high near 45. |
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Current Radar Image
Sun Almanac for Fairmont, Illinois
Sunrise: 07:09 AM
Sunset: 4:39 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:14 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 6489 locations in the contiguous United States |
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High Temp |
73° |
Avalon, California
and 3 other locations
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Low Temp |
5° |
Houlton, Maine
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Wind Speed |
44mph |
Salida Mountain, Colorado
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Wind Gust |
58mph |
Des Moines, Iowa
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Wind Chill |
-10° |
Garrison, North Dakota
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High Pressure |
30.41Hg |
Truckee, California
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Low Pressure |
29.19Hg |
Owosso, Michigan
and 3 other locations
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| # Locations Reporting Snow |
117 |
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| # Locations Reporting Rain |
114 |
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| # Locations Reporting Fog |
63 |
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| Average Temperature in the Contiguous USA |
36° |
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National Weather Service for official information.