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Frankfort, Illinois Weather Forecast
Frankfort, Illinois Weather
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Weather Forecast for Frankfort, Illinois : Will County
Issued: 4:11 am CST Jan 21, 2026 Latitude: 41.4958665 Longitude: -87.8486613 View on Google Maps

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Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
30% chance of snow on Today 50% chance of snow on Tonight Increasing Clouds on Thursday Mostly Sunny on Friday 20% chance of snow on Saturday 20% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 33°F Low: 13°F High: 25°F High: -1°F High: 8°F High: 15°F High: 16°F High: 25°F
Low: -7°F Low: -8°F Low: 3°F Low: 1°F Low: 5°F  
Snow Snow Increasing Clouds Mostly Sunny Snow Snow Sunny Mostly Sunny
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Current Conditions at
ROMEOVILLE WFO - (KLOT)
30°
Feels like 21°F
Cloudy
as of 5:35 AM CST
Rel. Humidity: 54%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 16 MPH
200° South
Cloud Level(s): Solid Overcast at 5500ft
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
27°
Feels like 15°F
Cloudy
as of 5:35 AM CST
Rel. Humidity: 63%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
14 MPH
200° South
Cloud Level(s): Scattered at 2300ft, Broken at 6500ft, Solid Overcast at 7500ft
Current Conditions at
JOLIET - (KJOT)
32°
Cloudy
as of 5:35 AM CST
Rel. Humidity: 50%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Broken at 6000ft, Solid Overcast at 7000ft
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
28°
Feels like 17°F
Cloudy
as of 4:53 AM CST
Rel. Humidity: 58%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
14 MPH
200° South
Cloud Level(s): Scattered at 8000ft, Solid Overcast at 10000ft
30% chance of snow Today Today... A 30 percent chance of snow, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 33. West southwest wind around 15 mph, with gusts as high as 25 mph.
50% chance of snow Tonight Tonight... A 50 percent chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 13. Wind chill values as low as -1. Breezy, with a west northwest wind 15 to 20 mph increasing to 20 to 25 mph in the evening. Winds could gust as high as 40 mph.
Increasing Clouds on Thursday Thursday... Increasing clouds, with a high near 25. Wind chill values as low as -1. West wind around 15 mph, with gusts as high as 25 mph.
20% chance of snow Thursday Night Thursday Night... A 20 percent chance of snow showers before 9pm. Mostly cloudy, with a low around -7. Wind chill values as low as -26. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Mostly Sunny on Friday Friday... Mostly sunny and cold, with a high near -1. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -8.
20% chance of snow Saturday Saturday... A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 8.
20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 3.
20% chance of snow Sunday Sunday... A chance of snow after noon. Partly sunny, with a high near 15.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 1.
Sunny on Monday Monday... Sunny, with a high near 16.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 5.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 25.
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
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.