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Franklin Grove, Illinois Weather Forecast
Franklin Grove, Illinois Weather
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Weather Forecast for Franklin Grove, Illinois : Lee County
Issued: 2:21 pm CST Dec 17, 2025 Latitude: 41.8416982 Longitude: -89.3003765 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on This Afternoon Increasing Clouds on Tonight 100% chance of rain & snow on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday Sunny on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday
High: 38°F Low: 43 °F High: 46 °F High: 27°F High: 42°F High: 30°F High: 38°F High: 45°F
Low: 10°F Low: 20°F Low: 16°F Low: 20°F Low: 32°F  
Mostly Sunny Increasing Clouds Rain & Snow Mostly Sunny Mostly Cloudy Sunny Mostly Cloudy Partly Sunny
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Current Conditions at
STERLING ROCK - (KSQI)
36°
Clear
as of 1:56 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
3 MPH
080° East
Cloud Level(s): Clear
Current Conditions at
ROCKFORD - (KRFD)
36°
Mostly Clear
as of 1:54 PM CST
Rel. Humidity: 74%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Few at 25000ft
Current Conditions at
ALBERTUS AIRPORT - (KFEP)
36°
Clear
as of 2:15 PM CST
Rel. Humidity: 80%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
3 MPH
170° South
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 38. South southeast wind around 5 mph, with gusts as high as 10 mph.

Increasing Clouds on Tonight Tonight... Drizzle likely, mainly after 5am. Increasing clouds, with a temperature rising to around 43 by 5am. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

100% chance of rain & snow Thursday Thursday... Rain before 2pm, then a chance of rain and snow between 2pm and 4pm, then a chance of snow after 4pm. Temperature rising to near 46 by 8am, then falling to around 28 during the remainder of the day. Breezy, with a south wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

40% chance of snow Thursday Night Thursday Night... Scattered snow showers, mainly before 9pm, then a chance of flurries after midnight. Mostly cloudy, with a low around 10. Wind chill values as low as -9. Blustery, with a west northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 27. West northwest wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 20.

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

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 16.

Sunny on Sunday Sunday... Sunny, with a high near 30.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 20.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 38.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 32.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 45.

Current Radar Image


Sun Almanac for Franklin Grove, Illinois
Sunrise: 07:19 AM
Sunset: 4:28 PM
Civil Sunrise:06:48 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:13 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:08 PM
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