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Forest City, Illinois Weather Forecast
Forest City, Illinois Weather
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Weather Forecast for Forest City, Illinois : Mason County
Issued: 1:11 pm CST Dec 17, 2025 Latitude: 40.3700411 Longitude: -89.8276113 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on This Afternoon 50% chance of rain on Tonight 100% chance of rain on Thursday Sunny on Friday Partly Sunny on Saturday Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
High: 41°F Low: 47 °F High: 36 °F High: 32°F High: 47°F High: 38°F High: 42°F High: 50°F
Low: 16°F Low: 25°F Low: 21°F Low: 26°F Low: 35°F  
Mostly Sunny Rain Rain Sunny Partly Sunny Sunny Partly Sunny Partly Sunny
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Current Conditions at
PEORIA - (KPIA)
41°
Clear
as of 12:54 PM CST
Rel. Humidity: 65%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
41°
Clear
as of 12:55 PM CST
Rel. Humidity: 65%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SPRINGFIELD - (KSPI)
43°
Clear
as of 12:52 PM CST
Rel. Humidity: 65%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
7 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
BLOOMINGTON - (KBMI)
39°
Clear
as of 12:56 PM CST
Rel. Humidity: 75%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
100° East
Cloud Level(s): Clear
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 41. Light and variable wind becoming southeast around 6 mph.

50% chance of rain Tonight Tonight... A 50 percent chance of showers, mainly after 4am. Increasing clouds, with a temperature rising to around 47 by 5am. South wind 7 to 17 mph, with gusts as high as 31 mph.

100% chance of rain Thursday Thursday... Showers, mainly before noon. Temperature falling to around 36 by 5pm. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 16. Wind chill values between 4 and 14. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 33 mph.

Sunny on Friday Friday... Sunny, with a high near 32. West northwest wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

Increasing Clouds on Friday Night Friday Night... Increasing clouds, with a low around 25. South wind 7 to 10 mph, with gusts as high as 24 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 47. South wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 21.

Sunny on Sunday Sunday... Sunny, with a high near 38.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 26.

Partly Sunny on Monday Monday... Partly sunny, with a high near 42.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 35.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 50.

Current Radar Image


Sun Almanac for Forest City, Illinois
Sunrise: 07:17 AM
Sunset: 4:35 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 06:12 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:13 PM
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