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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 6:36 am CST Jan 20, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Mostly Sunny on Today Mostly Cloudy on Tonight Clearing on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday 30% chance of snow on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday
High: 28°F Low: 30 °F High: 42°F High: 32°F High: 14°F High: 14°F High: 20°F High: 22°F
Low: 22°F Low: 9 °F Low: 1°F Low: 5°F Low: 4°F  
Mostly Sunny Mostly Cloudy Clearing Mostly Sunny Mostly Cloudy Snow Mostly Sunny Mostly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
Clear
as of 6:35 AM CST
Rel. Humidity: 71%
Dew Point: -4°F
Visibility: 10 Miles
Pressure: 30.44 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
Clear
as of 6:53 AM EST
Rel. Humidity: 77%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.44 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ROBINSON - (KRSV)
Mostly Cloudy
as of 6:35 AM CST
Rel. Humidity: 71%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.47 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Scattered at 7000ft, Broken at 8000ft
Current Conditions at
MATTOON - (KMTO)
Clear
as of 5:53 AM CST
Rel. Humidity: 65%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.40 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 28. Wind chill values between -9 and 1. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a temperature rising to around 30 by 5am. South wind 11 to 16 mph, with gusts as high as 25 mph.

Clearing on Wednesday Wednesday... Cloudy through mid morning, then gradual clearing, with a high near 42. West southwest wind 9 to 17 mph, with gusts as high as 29 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 22. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 32. West northwest wind 5 to 9 mph, with gusts as high as 17 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 9. Light west northwest wind becoming north northwest 5 to 9 mph after midnight. Winds could gust as high as 16 mph.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 14. North wind 10 to 13 mph, with gusts as high as 18 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 1.

30% chance of snow Saturday Saturday... A 30 percent chance of snow after noon. Mostly cloudy, with a high near 14.

30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 5.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 20.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 4.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 22.

Current Radar Image


Sun Almanac for Griffin, Illinois
Sunrise: 07:07 AM
Sunset: 4:57 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:26 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:59 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:31 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.