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Frankfort, Illinois Weather Forecast
Frankfort, Illinois Weather
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Weather Forecast for Frankfort, Illinois : Will County
Issued: 1:11 am CST Jan 16, 2026 Latitude: 41.4958665 Longitude: -87.8486613 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday M.L.King Day Tuesday Wednesday Thursday
60% chance of snow on Overnight 80% chance of snow on Friday 20% chance of snow on Saturday 20% chance of snow on Sunday Partly Sunny on M.L.King Day Mostly Sunny on Tuesday Partly Sunny on Wednesday Partly Sunny on Thursday
Low: 21°F High: 35°F High: 19°F High: 20°F High: 9 °F High: 19°F High: 31°F High: 27°F
Low: 15°F Low: 8 °F Low: 3 °F Low: 2°F Low: 14°F Low: 16°F  
Snow Snow Snow Snow Partly Sunny Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
ROMEOVILLE WFO - (KLOT)
23°
Feels like 10°F
Cloudy
as of 12:55 AM CST
Rel. Humidity: 92%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.67 in.
Flight Rule: VFR
Wind Data
15 MPH
180° South
Cloud Level(s): Scattered at 200ft, Solid Overcast at 4200ft
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
21°
Feels like 8°F
Cloudy
as of 12:55 AM CST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: MVFR
Wind Data
13 MPH
Gust: 17 MPH
200° South
Cloud Level(s): Scattered at 1900ft, Broken at 2900ft, Solid Overcast at 4300ft
Current Conditions at
JOLIET - (KJOT)
25°
Cloudy
as of 12:55 AM CST
Rel. Humidity: 85%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.68 in.
Flight Rule: MVFR
Wind Data
8 MPH
Gust: 16 MPH
200° South
Cloud Level(s): Broken at 1600ft, Solid Overcast at 5000ft
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
23°
Feels like 11°F
Cloudy
Light Snow Mist
as of 1:04 AM CST
Rel. Humidity: 79%
Dew Point: 18°F
Visibility: 5 Miles
Pressure: 29.66 in.
Flight Rule: MVFR
Wind Data
13 MPH
190° South
Cloud Level(s): Few at 2400ft, Broken at 3500ft, Solid Overcast at 4200ft
60% chance of snow Overnight Overnight... Snow likely, mainly before 2am. Cloudy, with a low around 21. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
80% chance of snow Friday Friday... Snow, mainly before 11am. High near 35. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
40% chance of snow Friday Night Friday Night... A 40 percent chance of snow showers, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 15. West wind 10 to 15 mph, with gusts as high as 25 mph.
20% chance of snow Saturday Saturday... A 20 percent chance of snow after noon. Partly sunny, with a high near 19. Wind chill values as low as zero. West wind around 15 mph, with gusts as high as 25 mph.
20% chance of snow Saturday Night Saturday Night... A chance of flurries before midnight. Mostly cloudy, with a low around 8. West wind around 15 mph, with gusts as high as 25 mph.
20% chance of snow Sunday Sunday... A 20 percent chance of snow after noon. Partly sunny, with a high near 20.
20% chance of snow Sunday Night Sunday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 3. Blustery.
Partly Sunny on M.L.King Day M.L.King Day... Partly sunny and cold, with a high near 9. Blustery.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 2.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 19.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 14.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 31.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 16.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 27.
Current Radar Image


Sun Almanac for Frankfort, Illinois
Sunrise: 07:15 AM
Sunset: 4:48 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:25 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.