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Frankfort, Illinois Weather Forecast
Frankfort, Illinois Weather
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Weather Forecast for Frankfort, Illinois : Will County
Issued: 3:11 pm CST Dec 9, 2025 Latitude: 41.4958665 Longitude: -87.8486613 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
20% chance of rain on This Afternoon 100% chance of rain & snow on Tonight 90% chance of snow on Wednesday 20% chance of snow on Thursday 40% chance of snow on Friday Snow on Saturday Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
High: 36°F Low: 35°F High: 26 °F High: 23°F High: 28°F High: 13°F High: 7°F High: 21°F High: 26°F
Low: 14°F Low: 20°F Low: 9°F Low: -5°F Low: -3°F Low: 10°F  
Rain Rain & Snow Snow Snow Snow Snow Sunny Partly Sunny Partly Sunny
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Current Conditions at
ROMEOVILLE WFO - (KLOT)
36°
Feels like 28°F
Cloudy
as of 4:45 PM CST
Rel. Humidity: 93%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.65 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Solid Overcast at 6000ft
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
34°
Feels like 25°F
Cloudy
Light Rain
as of 5:15 PM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.67 in.
Flight Rule: VFR
Wind Data
12 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 5500ft
Current Conditions at
JOLIET - (KJOT)
37°
Cloudy
as of 5:15 PM CST
Rel. Humidity: 80%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.64 in.
Flight Rule: VFR
Wind Data
7 MPH
170° South
Cloud Level(s): Broken at 5500ft, Solid Overcast at 7000ft
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
36°
Feels like 28°F
Cloudy
Light Rain Mist
as of 4:53 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 6 Miles
Pressure: 29.64 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 23 MPH
200° South
Cloud Level(s): Solid Overcast at 5500ft
20% chance of rain This Afternoon This Afternoon... A 20 percent chance of rain. Cloudy, with a high near 36. South southwest wind around 10 mph, with gusts as high as 15 mph.
100% chance of rain & snow Tonight Tonight... Rain before 5am, then a chance of snow. Steady temperature around 35. Breezy, with a south wind 10 to 15 mph becoming south southwest 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
90% chance of snow Wednesday Wednesday... Snow, mainly before noon. Temperature falling to around 26 by 5pm. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
20% chance of snow Thursday Thursday... A 20 percent chance of snow after noon. Partly sunny, with a high near 23. West northwest wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
60% chance of snow Thursday Night Thursday Night... Snow likely. Cloudy, with a low around 20. Chance of precipitation is 60%.
40% chance of snow Friday Friday... A 40 percent chance of snow. Mostly cloudy, with a high near 28.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 9.
Snow on Saturday Saturday... Snow likely, mainly after noon. Mostly cloudy, with a high near 13.
20% chance of snow Saturday Night Saturday Night... A chance of snow before midnight. Partly cloudy, with a low around -5.
Sunny on Sunday Sunday... Sunny and cold, with a high near 7.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -3.
Partly Sunny on Monday Monday... Partly sunny, with a high near 21.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 10.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 26.
Current Radar Image


Sun Almanac for Frankfort, Illinois
Sunrise: 07:06 AM
Sunset: 4:21 PM
Civil Sunrise:06:35 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:00 AM
Nautical Sunset: 5:27 PM
Astro Sunrise: 05:27 AM
Astro Sunset: 6:01 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.