Fairmont, Illinois Weather
Issued: 3:41 am CST Dec 28, 2025 Latitude: 38.9089371 Longitude: -90.2142773 View on Google Maps
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Partly Sunny |
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Mostly Sunny |
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Current Conditions at
ALTON - (KALN)
61°
Clear
Mist
as of 3:35 AM CST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 5 Miles
Pressure: 29.73 in.
Flight Rule: MVFR
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
55°
Clear
Mist
as of 3:33 AM CST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 1 1/4 Miles
Pressure: 29.70 in.
Flight Rule: IFR
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
59°
Mostly Cloudy
as of 2:51 AM CST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 8 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Cloud Level(s): Scattered at 12000ft, Broken at 15000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
61°
Clear
Mist
as of 2:53 AM CST
Rel. Humidity: 100%
Dew Point: 61°F
Visibility: 6 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Cloud Level(s): Clear
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Overnight... A 20 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 61. South wind around 8 mph. |
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Sunday... Showers and thunderstorms likely before 5pm, then a chance of showers. Cloudy, with a temperature rising to near 70 by noon, then falling to around 50 during the remainder of the day. Breezy, with a south wind 8 to 13 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. |
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Sunday Night... A 20 percent chance of showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 19. Breezy, with a west wind 22 to 25 mph, with gusts as high as 36 mph. |
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Monday... Partly sunny, with a high near 29. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 36 mph. |
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Monday Night... Mostly clear, with a low around 17. Northwest wind 9 to 15 mph, with gusts as high as 23 mph. |
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Tuesday... Sunny, with a high near 36. |
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Tuesday Night... Mostly clear, with a low around 27. |
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Wednesday... Partly sunny, with a high near 44. |
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Wednesday Night... Partly cloudy, with a low around 26. |
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New Year's Day... Mostly sunny, with a high near 40. |
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Thursday Night... Partly cloudy, with a low around 21. |
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Friday... Partly sunny, with a high near 43. |
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Friday Night... Partly cloudy, with a low around 31. |
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Saturday... Partly sunny, with a high near 49. |
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Current Radar Image
Sun Almanac for Fairmont, Illinois
Sunrise: 07:19 AM
Sunset: 4:46 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:22 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 7078 locations
in the contiguous United States |
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High
Temp |
79° |
Viosca Knoll768, Alabama
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Low
Temp |
-15° |
Cutbank, Montana
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Wind
Speed |
39mph |
Broken Bow, Nebraska
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Wind
Gust |
52mph |
Broken Bow, Nebraska
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Wind
Chill |
-31° |
Poplar, Montana
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High
Pressure |
30.58Hg |
Richland, Washington
and 1 other location
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Low
Pressure |
29.52Hg |
Fort Riley, Kansas
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| # Locations Reporting Snow |
73 |
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| # Locations Reporting Rain |
48 |
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| # Locations Reporting Thunderstorms / Lightning |
1 |
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| # Locations Reporting Fog |
162 |
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| Average Temperature in the Contiguous USA |
41° |
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National Weather Service for official information.
