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Frankfort, Illinois Weather Forecast
Frankfort, Illinois Weather
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Weather Forecast for Frankfort, Illinois : Will County
Issued: 7:56 pm CST Dec 11, 2025 Latitude: 41.4958665 Longitude: -87.8486613 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Tonight 20% chance of snow on Friday 50% chance of snow on Saturday Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday 20% chance of rain on Thursday
Low: 23°F High: 30°F High: 12°F High: 8°F High: 22°F High: 35°F High: 42°F High: 41°F
Low: 8 °F Low: -4°F Low: -3°F Low: 15°F Low: 29°F Low: 33°F  
Mostly Cloudy Snow Snow Sunny Partly Sunny Partly Sunny Mostly Cloudy Rain
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Current Conditions at
ROMEOVILLE WFO - (KLOT)
27°
Cloudy
as of 10:50 PM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
3 MPH
090° East
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
25°
Partly Cloudy
as of 10:55 PM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 11000ft
Current Conditions at
JOLIET - (KJOT)
28°
Cloudy
Light Snow
as of 10:55 PM CST
Rel. Humidity: 86%
Dew Point: 25°F
Visibility: 4 Miles
Pressure: 30.07 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 3400ft, Broken at 4200ft, Solid Overcast at 4900ft
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
27°
Cloudy
as of 10:53 PM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 11000ft, Solid Overcast at 16000ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 23. East northeast wind around 5 mph becoming calm.

20% chance of snow Friday Friday... A 20 percent chance of snow after 9am. Partly sunny, with a high near 30. Light and variable wind becoming west 5 to 10 mph in the afternoon.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 8. Wind chill values as low as -7. West wind 10 to 15 mph, with gusts as high as 20 mph.

50% chance of snow Saturday Saturday... A 50 percent chance of snow. Cloudy, with a high near 12. Wind chill values as low as -8. West northwest wind around 10 mph, with gusts as high as 20 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around -4. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 8.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -3.

Partly Sunny on Monday Monday... Partly sunny, with a high near 22.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 15.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 35.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 42.

20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 33.

20% chance of rain Thursday Thursday... A chance of rain. Partly sunny, with a high near 41.

Current Radar Image


Sun Almanac for Frankfort, Illinois
Sunrise: 07:09 AM
Sunset: 4:22 PM
Civil Sunrise:06:38 AM
Civil Sunset: 4:53 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 5:28 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:02 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.