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Frankfort, Illinois Weather Forecast
Frankfort, Illinois Weather
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Weather Forecast for Frankfort, Illinois : Will County
Issued: 4:01 pm CST Jan 18, 2026 Latitude: 41.4958665 Longitude: -87.8486613 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight M.L.King Day Tuesday Wednesday Thursday Friday Saturday Sunday
70% chance of snow on This Afternoon 100% chance of snow on Tonight 20% chance of snow on M.L.King Day Sunny on Tuesday 30% chance of snow on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday 20% chance of snow on Saturday Partly Sunny on Sunday
High: 19°F Low: 1 °F High: 8 °F High: 21°F High: 31°F High: 18°F High: 20°F High: 12°F High: 10°F
Low: 4 °F Low: 15°F Low: 12°F Low: 8°F Low: 4°F Low: -3°F  
Snow Snow Snow Sunny Snow Mostly Sunny Partly Sunny Snow Partly Sunny
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Current Conditions at
ROMEOVILLE WFO - (KLOT)
18°
Feels like 4°F
Mostly Cloudy
Light Snow
as of 4:15 PM CST
Rel. Humidity: 72%
Dew Point: 10°F
Visibility: 1 Miles
Pressure: 29.92 in.
Flight Rule: IFR
Wind Data
13 MPH
Gust: 20 MPH
230° Southwest
Cloud Level(s): Scattered at 3100ft, Broken at 6000ft
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
19°
Feels like 7°F
Cloudy
Light Snow
as of 4:35 PM CST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 2 1/2 Miles
Pressure: 29.92 in.
Flight Rule: IFR
Wind Data
12 MPH
210° Southwest
Cloud Level(s): Broken at 2100ft, Broken at 2900ft, Solid Overcast at 3500ft
Current Conditions at
JOLIET - (KJOT)
19°
Feels like 8°F
Cloudy
Light Snow
as of 4:35 PM CST
Rel. Humidity: 79%
Dew Point: 14°F
Visibility: 2 Miles
Pressure: 29.93 in.
Flight Rule: IFR
Wind Data
9 MPH
230° Southwest
Cloud Level(s): Scattered at 1800ft, Broken at 2600ft, Solid Overcast at 3800ft
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
18°
Feels like 4°F
Cloudy
Light Snow Mist
as of 4:28 PM CST
Rel. Humidity: 67%
Dew Point: 9°F
Visibility: 2 1/2 Miles
Pressure: 29.91 in.
Flight Rule: IFR
Wind Data
12 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 3200ft
70% chance of snow This Afternoon This Afternoon... Snow likely. Cloudy, with a high near 19. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

100% chance of snow Tonight Tonight... Snow before midnight, then scattered snow showers, mainly between midnight and 2am. Low around 1. Wind chill values as low as -18. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

20% chance of snow M.L.King Day M.L.King Day... Isolated snow showers before 7am. Mostly sunny and cold, with a high near 8. Wind chill values as low as -22. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

Mostly Clear on Monday Night Monday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Wind chill values as low as -11. West wind 5 to 15 mph, with gusts as high as 20 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 21. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

40% chance of snow Tuesday Night Tuesday Night... A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 15.

30% chance of snow Wednesday Wednesday... A 30 percent chance of snow before noon. Mostly cloudy, with a high near 31.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 12.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 18.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 8.

Partly Sunny on Friday Friday... Partly sunny, with a high near 20.

20% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 4.

20% chance of snow Saturday Saturday... A chance of snow. Mostly cloudy, with a high near 12.

20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around -3.

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

Current Radar Image


Sun Almanac for Frankfort, Illinois
Sunrise: 07:14 AM
Sunset: 4:50 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:27 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.