Fairmont, Illinois Weather
No Watches or Warnings for Fairmont
Issued: 10:06 pm CST Dec 16, 2025 Latitude: 38.9089371 Longitude: -90.2142773 View on Google Maps
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Current Conditions at
ALTON - (KALN)
39°
Clear
as of 10:55 PM CST
Rel. Humidity: 55%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
32°
Clear
as of 10:54 PM CST
Rel. Humidity: 80%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
Mostly Cloudy
as of 10:51 PM CST
Rel. Humidity: 48%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
9 MPH
210° Southwest
Cloud Level(s): Broken at 25000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
34°
Clear
as of 10:53 PM CST
Rel. Humidity: 64%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Cloud Level(s): Clear
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Tonight... Mostly cloudy, with a low around 35. Southwest wind 5 to 8 mph. |
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Wednesday... Sunny, with a high near 52. Calm wind becoming southeast 5 to 8 mph in the afternoon. |
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Wednesday Night... A 20 percent chance of showers after midnight. Increasing clouds, with a temperature rising to around 52 by 5am. South wind 9 to 15 mph, with gusts as high as 23 mph. |
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Thursday... Showers and possibly a thunderstorm before noon, then a chance of showers between noon and 3pm. Temperature falling to around 43 by 5pm. South wind 15 to 18 mph becoming west in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 90%. |
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Thursday Night... Partly cloudy, with a low around 23. Northwest wind 11 to 18 mph, with gusts as high as 28 mph. |
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Friday... Sunny, with a high near 38. |
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Friday Night... Partly cloudy, with a low around 32. |
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Saturday... Mostly sunny, with a high near 55. |
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Saturday Night... Partly cloudy, with a low around 30. |
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Sunday... Mostly sunny, with a high near 45. |
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Sunday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 20%. |
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Monday... Partly sunny, with a high near 46. |
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Monday Night... Mostly cloudy, with a low around 37. |
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Tuesday... Partly sunny, with a high near 56. |
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Current Radar Image
Sun Almanac for Fairmont, Illinois
Sunrise: 07:14 AM
Sunset: 4:40 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:16 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 6903 locations
in the contiguous United States |
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High
Temp |
75° |
Keathley C 875, Louisiana
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Low
Temp |
7° |
Robertson Field, North Dakota
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Wind
Speed |
36mph |
Boysen/Thermopol, Wyoming
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Wind
Gust |
51mph |
Boysen/Thermopol, Wyoming
and 1 other location
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Wind
Chill |
-8° |
Flag Island, Minnesota
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High
Pressure |
30.46Hg |
Salida Mountain, Colorado
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Low
Pressure |
29.33Hg |
Copper Harbor, Michigan
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| # Locations Reporting Snow |
5 |
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| # Locations Reporting Rain |
60 |
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| # Locations Reporting Thunderstorms / Lightning |
1 |
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| # Locations Reporting Fog |
9 |
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| Average Temperature in the Contiguous USA |
40° |
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National Weather Service for official information.
