Fairmont, Illinois Weather
No Watches or Warnings for Fairmont
Issued: 3:16 pm CST Jan 19, 2026 Latitude: 38.9089371 Longitude: -90.2142773 View on Google Maps
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Current Conditions at
ALTON - (KALN)
14°
Clear
as of 6:50 PM CST
Rel. Humidity: 40%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
16°
Clear
as of 6:54 PM CST
Rel. Humidity: 37%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
18°
Mostly Clear
as of 6:51 PM CST
Rel. Humidity: 34%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.40 in.
Flight Rule: VFR
Cloud Level(s): Few at 25000ft
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Tonight... Mostly clear, with a low around 13. West wind around 6 mph becoming light and variable in the evening. |
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Tuesday... Mostly sunny, with a high near 37. Light south wind increasing to 6 to 11 mph in the morning. |
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Tuesday Night... Increasing clouds, with a low around 30. South wind 10 to 13 mph, with gusts as high as 23 mph. |
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Wednesday... Partly sunny, then gradually becoming sunny, with a high near 44. West wind 8 to 14 mph, with gusts as high as 21 mph. |
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Wednesday Night... Mostly clear, with a low around 23. Southwest wind 7 to 9 mph becoming northwest after midnight. |
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Thursday... Mostly sunny, with a high near 37. |
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Thursday Night... Mostly cloudy, with a low around 10. |
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Friday... Mostly cloudy and cold, with a high near 17. |
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Friday Night... A 20 percent chance of snow. Mostly cloudy, with a low around 0. |
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Saturday... A 30 percent chance of snow, mainly after noon. Mostly cloudy and cold, with a high near 13. |
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Saturday Night... A 30 percent chance of snow. Partly cloudy, with a low around 4. |
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Sunday... Mostly sunny, with a high near 23. |
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Sunday Night... Mostly clear, with a low around 10. |
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Monday... Sunny, with a high near 34. |
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Sun Almanac for Fairmont, Illinois
Sunrise: 07:16 AM
Sunset: 5:07 PM
Civil Sunrise:06:47 AM
Civil Sunset: 5:36 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:09 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:41 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 6268 locations in the contiguous United States |
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High Temp |
75° |
Imperial, California
and 2 other locations
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Low Temp |
-17° |
Fosston, Minnesota
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Wind Speed |
36mph |
Berthoud Pass, Colorado
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Wind Gust |
53mph |
Berthoud Pass, Colorado
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Wind Chill |
-33° |
Robertson Field, North Dakota
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High Pressure |
30.52Hg |
Richland, Washington
and 1 other location
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Low Pressure |
29.64Hg |
Frenchville, Maine
and 1 other location
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| # Locations Reporting Snow |
62 |
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| # Locations Reporting Fog |
24 |
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| Average Temperature in the Contiguous USA |
28° |
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National Weather Service for official information.