Fairmont, Illinois Weather
No Watches or Warnings for Fairmont
Issued: 8:26 am CST Dec 26, 2025 Latitude: 38.9089371 Longitude: -90.2142773 View on Google Maps
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Current Conditions at
ALTON - (KALN)
64°
Mostly Cloudy
as of 9:55 AM CST
Rel. Humidity: 82%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: MVFR
Cloud Level(s): Broken at 2100ft
Current Conditions at
ST CHARLES - (KSET)
63°
Cloudy
as of 9:54 AM CST
Rel. Humidity: 88%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: MVFR
Wind Data
3 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 2200ft
Current Conditions at
ST LOUIS - (KSTL)
64°
Mostly Cloudy
as of 9:51 AM CST
Rel. Humidity: 82%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: MVFR
Cloud Level(s): Broken at 1600ft, Broken at 25000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
66°
Mostly Cloudy
as of 9:53 AM CST
Rel. Humidity: 77%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: MVFR
Cloud Level(s): Broken at 2000ft
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Today... Mostly cloudy, with a high near 63. West wind 6 to 10 mph. |
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Tonight... Mostly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm. |
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Saturday... Mostly cloudy, with a high near 66. Southeast wind 6 to 11 mph. |
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Saturday Night... A 30 percent chance of rain, mainly after midnight. Cloudy, with a low around 60. South wind 7 to 10 mph. |
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Sunday... Rain and possibly a thunderstorm. High near 70. South wind 7 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. |
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Sunday Night... A chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 50%. |
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Monday... Mostly sunny, with a high near 29. Blustery. |
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Monday Night... Mostly clear, with a low around 19. |
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Tuesday... Sunny, with a high near 37. |
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Tuesday Night... Partly cloudy, with a low around 26. |
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Wednesday... Mostly sunny, with a high near 40. |
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Wednesday Night... Mostly cloudy, with a low around 22. |
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New Year's Day... Partly sunny, with a high near 35. |
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Current Radar Image
Sun Almanac for Fairmont, Illinois
Sunrise: 07:18 AM
Sunset: 4:45 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:21 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 6990 locations in the contiguous United States |
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High Temp |
82° |
Gainesville, Georgia
and 1 other location
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Low Temp |
0° |
Thermal, California
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Wind Speed |
36mph |
Ennis Big Sky, Montana
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Wind Gust |
49mph |
Berthoud Pass, Colorado
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Wind Chill |
-16° |
Greenville, Maine
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High Pressure |
30.36Hg |
Salida Mountain, Colorado
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Low Pressure |
29.27Hg |
Charlie, Montana
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| # Locations Reporting Snow |
32 |
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| # Locations Reporting Rain |
81 |
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| # Locations Reporting Fog |
64 |
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| Average Temperature in the Contiguous USA |
47° |
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National Weather Service for official information.