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Plymouth, Illinois Weather Forecast
Plymouth, Illinois Weather
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Weather Forecast for Plymouth, Illinois : Hancock County
Issued: 10:36 am CST Dec 17, 2025 Latitude: 40.2917112 Longitude: -90.919023 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on This Afternoon 60% chance of rain on Tonight 100% chance of rain on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
High: 42°F Low: 49 °F High: 34 °F High: 35°F High: 48°F High: 37°F High: 40°F High: 49°F
Low: 17°F Low: 28°F Low: 23°F Low: 23°F Low: 32°F  
Mostly Sunny Rain Rain Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
39°
Clear
as of 12:55 PM CST
Rel. Humidity: 75%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
QUINCY - (KUIN)
43°
Clear
as of 12:54 PM CST
Rel. Humidity: 60%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
41°
Clear
as of 12:55 PM CST
Rel. Humidity: 65%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
5 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
BURLINGTON - (KBRL)
37°
Clear
as of 12:53 PM CST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
6 MPH
160° South
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 42. Southeast wind 5 to 10 mph.

60% chance of rain Tonight Tonight... Rain likely, mainly after 5am. Increasing clouds, with a temperature rising to around 49 by 4am. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

100% chance of rain Thursday Thursday... Rain, mainly before 11am. Temperature falling to around 34 by 5pm. Breezy, with a southwest wind 20 to 25 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 17. Breezy, with a west wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 35.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 28.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 48.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 23.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 37.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 23.

Partly Sunny on Monday Monday... Partly sunny, with a high near 40.

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 49.

Current Radar Image


Sun Almanac for Plymouth, Illinois
Sunrise: 07:21 AM
Sunset: 4:39 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:17 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.