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Frankfort, Illinois Weather Forecast
Frankfort, Illinois Weather
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Weather Forecast for Frankfort, Illinois : Will County
Issued: 5:11 am CST Dec 9, 2025 Latitude: 41.4958665 Longitude: -87.8486613 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Increasing Clouds on Today 100% chance of rain & snow on Tonight 80% chance of snow on Wednesday 20% chance of snow on Thursday 40% chance of snow on Friday 20% chance of snow on Saturday Mostly Sunny on Sunday Mostly Cloudy on Monday
High: 35°F Low: 32°F High: 29 °F High: 24°F High: 27°F High: 10°F High: 10°F High: 21°F
Low: 16°F Low: 15°F Low: 4°F Low: -3°F Low: -1°F  
Increasing Clouds Rain & Snow Snow Snow Snow Snow Mostly Sunny Mostly Cloudy
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Current Conditions at
ROMEOVILLE WFO - (KLOT)
25°
Feels like 13°F
Cloudy
as of 4:50 AM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
12 MPH
190° South
Cloud Level(s): Solid Overcast at 4400ft
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
27°
Feels like 14°F
Cloudy
as of 5:15 AM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 23 MPH
210° Southwest
Cloud Level(s): Scattered at 3700ft, Solid Overcast at 4600ft
Current Conditions at
JOLIET - (KJOT)
28°
Feels like 19°F
Clear
as of 5:15 AM CST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
10 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
27°
Feels like 14°F
Cloudy
as of 4:53 AM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 9 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 25 MPH
210° Southwest
Cloud Level(s): Few at 3500ft, Solid Overcast at 4800ft
Increasing Clouds on Today Today... Increasing clouds, with a high near 35. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

100% chance of rain & snow Tonight Tonight... Rain before 5am, then a chance of snow showers. Low around 32. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

80% chance of snow Wednesday Wednesday... Snow showers, mainly before noon. Temperature falling to around 29 by 5pm. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. 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 16. West 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 24. West wind 5 to 10 mph.

50% chance of snow Thursday Night Thursday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 15.

40% chance of snow Friday Friday... A 40 percent chance of snow. Mostly cloudy, with a high near 27.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 4.

20% chance of snow Saturday Saturday... A chance of snow. Mostly cloudy and cold, with a high near 10.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around -3.

Mostly Sunny on Sunday Sunday... Mostly sunny and cold, with a high near 10.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -1.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 21.

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.