Frankfort, Illinois Weather
Issued: 5:36 pm CST Jan 21, 2026 Latitude: 41.4958665 Longitude: -87.8486613 View on Google Maps
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Current Conditions at
ROMEOVILLE WFO - (KLOT)
Mostly Clear
as of 4:45 PM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
9 MPH
240° Southwest
Cloud Level(s): Few at 4400ft
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
27°
Clear
as of 5:15 PM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
7 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
JOLIET - (KJOT)
32°
Partly Cloudy
as of 5:15 PM CST
Rel. Humidity: 54%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
5 MPH
240° Southwest
Cloud Level(s): Scattered at 6500ft, Scattered at 9000ft
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
Partly Cloudy
as of 4:53 PM CST
Rel. Humidity: 58%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Cloud Level(s): Few at 2700ft, Scattered at 4600ft
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Tonight... Snow likely, mainly before 11pm. Cloudy during the early evening, then gradual clearing, with a low around 14. Wind chill values as low as 1. Breezy, with a southwest wind 10 to 15 mph becoming west 15 to 20 mph. Winds could gust as high as 40 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible. |
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Thursday... Mostly sunny, with a high near 26. Wind chill values as low as 1. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph. |
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Thursday Night... Partly cloudy, with a low around -7. Wind chill values as low as -27. Northwest wind around 15 mph, with gusts as high as 30 mph. |
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Friday... Mostly sunny and cold, with a high near -1. Wind chill values as low as -29. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. |
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Friday Night... A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around -6. North northwest wind 5 to 10 mph, with gusts as high as 15 mph. |
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Saturday... A 40 percent chance of snow after noon. Mostly cloudy and cold, with a high near 10. |
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Saturday Night... Snow likely. Cloudy, with a low around 6. Chance of precipitation is 60%. |
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Sunday... A chance of snow. Mostly cloudy, with a high near 16. |
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Sunday Night... Mostly cloudy, with a low around 1. |
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Monday... Mostly sunny, with a high near 11. |
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Monday Night... Partly cloudy, with a low around 3. |
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Tuesday... Mostly sunny, with a high near 20. |
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Tuesday Night... Mostly cloudy, with a low around 9. |
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Wednesday... Partly sunny, with a high near 19. |
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Current Radar Image
Sun Almanac for Frankfort, Illinois
Sunrise: 07:12 AM
Sunset: 4:54 PM
Civil Sunrise:06:42 AM
Civil Sunset: 5:24 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:30 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 7066 locations in the contiguous United States |
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High Temp |
77° |
Mcallen, Texas
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Low Temp |
-2° |
Roseau, Minnesota
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Wind Speed |
61mph |
Chico, California
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Wind Gust |
54mph |
Oskaloosa Municipal A/P, Iowa
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Wind Chill |
-23° |
Thief River Falls, Minnesota
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High Pressure |
30.66Hg |
Charlie, Montana
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Low Pressure |
29.59Hg |
Grand Marais, Minnesota
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| # Locations Reporting Snow |
173 |
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| # Locations Reporting Rain |
61 |
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| # Locations Reporting Fog |
5 |
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| Average Temperature in the Contiguous USA |
42° |
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National Weather Service for official information.