Fairmont, Illinois Weather
Issued: 4:51 pm CST Jan 9, 2026 Latitude: 38.9089371 Longitude: -90.2142773 View on Google Maps
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Current Conditions at
ALTON - (KALN)
Clear
as of 7:50 PM CST
Rel. Humidity: 81%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
41°
Clear
as of 7:54 PM CST
Rel. Humidity: 86%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
7 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
43°
Partly Cloudy
as of 7:51 PM CST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Cloud Level(s): Scattered at 20000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
45°
Clear
as of 7:53 PM CST
Rel. Humidity: 75%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
6 MPH
120° Southeast
Cloud Level(s): Clear
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Tonight... A 40 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 38. Light and variable wind becoming northwest 5 to 7 mph after midnight. |
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Saturday... A chance of rain before 9am, then a chance of sprinkles after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 46. Northwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. |
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Saturday Night... A chance of sprinkles and flurries before 10pm, then a chance of flurries between 10pm and midnight. Partly cloudy, with a low around 25. Northwest wind 11 to 15 mph, with gusts as high as 29 mph. |
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Sunday... Sunny, with a high near 38. Northwest wind 7 to 15 mph, with gusts as high as 24 mph. |
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Sunday Night... Mostly clear, with a low around 27. Southwest wind 3 to 7 mph. |
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Monday... Sunny, with a high near 51. |
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Monday Night... Partly cloudy, with a low around 36. |
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Tuesday... Partly sunny, with a high near 56. |
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Tuesday Night... Mostly cloudy, with a low around 37. |
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Wednesday... Mostly cloudy, with a high near 43. |
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Wednesday Night... Mostly cloudy, with a low around 22. |
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Thursday... Mostly sunny, with a high near 36. |
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Thursday Night... Partly cloudy, with a low around 26. |
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Friday... Mostly cloudy, with a high near 43. |
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Current Radar Image
Sun Almanac for Fairmont, Illinois
Sunrise: 07:19 AM
Sunset: 4:57 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:26 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:59 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 6:31 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 6334 locations in the contiguous United States |
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High Temp |
82° |
Mcallen, Texas
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Low Temp |
-8° |
Berthoud Pass, Colorado
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Wind Speed |
31mph |
Big Spring, Texas
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Wind Gust |
49mph |
Saranac Lake, New York
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Wind Chill |
-36° |
Berthoud Pass, Colorado
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High Pressure |
30.63Hg |
Ontario, Oregon
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Low Pressure |
29.68Hg |
Frenchville, Maine
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| # Locations Reporting Snow |
35 |
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| # Locations Reporting Rain |
120 |
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| # Locations Reporting Thunderstorms / Lightning |
6 |
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| # Locations Reporting Fog |
14 |
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| Average Temperature in the Contiguous USA |
46° |
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National Weather Service for official information.