Frankfort, Illinois Weather
Issued: 8:02 am CST Jan 20, 2026 Latitude: 37.9000495 Longitude: -88.9022902 View on Google Maps
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Current Conditions at
MARION - (KMWA)
12°
Mostly Cloudy
as of 7:45 AM CST
Rel. Humidity: 78%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: VFR
Wind Data
7 MPH
150° Southeast
Cloud Level(s): Broken at 7500ft
Current Conditions at
HARRISBURG-RALEIGH - (KHSB)
12°
Mostly Cloudy
as of 7:55 AM CST
Rel. Humidity: 72%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.53 in.
Flight Rule: VFR
Cloud Level(s): Scattered at 6000ft, Broken at 7500ft
Current Conditions at
CARBONDALE - (KMDH)
12°
Cloudy
as of 7:52 AM CST
Rel. Humidity: 78%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.51 in.
Flight Rule: VFR
Cloud Level(s): Solid Overcast at 7000ft
Current Conditions at
MT VERNON - (KMVN)
16°
Cloudy
as of 7:56 AM CST
Rel. Humidity: 72%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.50 in.
Flight Rule: VFR
Cloud Level(s): Solid Overcast at 7500ft
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Today... Partly sunny, then gradually becoming sunny, with a high near 35. Light south wind increasing to 6 to 11 mph in the morning. |
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Tonight... Increasing clouds, with a temperature falling to near 28 by 8pm, then rising to around 34 during the remainder of the night. South wind 8 to 14 mph, with gusts as high as 24 mph. |
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Wednesday... A 20 percent chance of showers before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 46. Southwest wind 6 to 14 mph, with gusts as high as 25 mph. |
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Wednesday Night... Mostly clear, with a low around 25. Southwest wind around 5 mph becoming light and variable in the evening. |
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Thursday... Mostly sunny, with a high near 40. North northwest wind 3 to 6 mph. |
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Thursday Night... Partly cloudy, with a low around 17. Calm wind becoming north around 6 mph after midnight. |
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Friday... Mostly cloudy, with a high near 24. North wind 7 to 11 mph, with gusts as high as 18 mph. |
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Friday Night... A chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 6. North northeast wind around 10 mph, with gusts as high as 20 mph. |
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Saturday... A chance of snow showers. Mostly cloudy, with a high near 18. North northeast wind around 10 mph, with gusts as high as 20 mph. |
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Saturday Night... A chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 9. North northeast wind 6 to 8 mph. |
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Sunday... Mostly sunny, with a high near 24. North wind 6 to 8 mph becoming west in the afternoon. |
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Sunday Night... Mostly clear, with a low around 7. West wind 3 to 5 mph. |
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Monday... Sunny, with a high near 27. West northwest wind 5 to 7 mph becoming southwest in the afternoon. |
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Current Radar Image
Sun Almanac for Frankfort, Illinois
Sunrise: 07:08 AM
Sunset: 5:06 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:34 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 6:06 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:37 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 7097 locations in the contiguous United States |
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High Temp |
68° |
Keathley C 875, Louisiana
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Low Temp |
-24° |
Longville, Minnesota
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Wind Speed |
51mph |
Berthoud Pass, Colorado
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Wind Gust |
64mph |
Berthoud Pass, Colorado
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Wind Chill |
-36° |
Duluth Intl, Minnesota
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High Pressure |
30.57Hg |
Aberdeen/Amory, Mississippi
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Low Pressure |
29.69Hg |
Frenchville, Maine
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| # Locations Reporting Snow |
59 |
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| # Locations Reporting Rain |
4 |
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| # Locations Reporting Fog |
39 |
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| Average Temperature in the Contiguous USA |
21° |
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National Weather Service for official information.