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Frankfort, Illinois Weather Forecast
Frankfort, Illinois Weather
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Weather Forecast for Frankfort, Illinois : Will County
Issued: 5:36 pm CST Jan 21, 2026 Latitude: 41.4958665 Longitude: -87.8486613 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
60% chance of snow on Tonight Mostly Sunny on Thursday Mostly Sunny on Friday 40% chance of snow on Saturday 20% chance of snow on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday
Low: 14°F High: 26°F High: -1°F High: 10°F High: 16°F High: 11°F High: 20°F High: 19°F
Low: -7°F Low: -6°F Low: 6 °F Low: 1°F Low: 3°F Low: 9°F  
Snow Mostly Sunny Mostly Sunny Snow Snow Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
ROMEOVILLE WFO - (KLOT)
30°
Feels like 21°F
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)
28°
Feels like 19°F
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
Wind Data
9 MPH
250° West
Cloud Level(s): Few at 2700ft, Scattered at 4600ft
60% chance of snow Tonight 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.
Mostly Sunny on Thursday 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.
Cloudy on Thursday Night 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.
Mostly Sunny on Friday 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.
20% chance of snow Friday Night 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.
40% chance of snow Saturday Saturday... A 40 percent chance of snow after noon. Mostly cloudy and cold, with a high near 10.
60% chance of snow Saturday Night Saturday Night... Snow likely. Cloudy, with a low around 6. Chance of precipitation is 60%.
20% chance of snow Sunday Sunday... A chance of snow. Mostly cloudy, with a high near 16.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 1.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 11.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 3.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 20.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 9.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 19.
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
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