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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 5:47 pm CST Jan 11, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Clearing on Tonight Sunny on Monday Partly Sunny on Tuesday 30% chance of rain & snow on Wednesday Partly Sunny on Thursday Mostly Cloudy on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday
Low: 24°F High: 44°F High: 53°F High: 42°F High: 30°F High: 37°F High: 29°F High: 26°F
Low: 30°F Low: 36°F Low: 16°F Low: 21°F Low: 21°F Low: 11°F  
Clearing Sunny Partly Sunny Rain & Snow Partly Sunny Mostly Cloudy Mostly Cloudy Mostly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
28°
Feels like 19°F
Cloudy
as of 5:35 PM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.50 in.
Flight Rule: MVFR
Wind Data
9 MPH
260° West
Cloud Level(s): Solid Overcast at 2200ft
Current Conditions at
ROBINSON - (KRSV)
28°
Feels like 19°F
Cloudy
as of 5:35 PM CST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.52 in.
Flight Rule: MVFR
Wind Data
9 MPH
280° West
Cloud Level(s): Solid Overcast at 2200ft
Current Conditions at
MATTOON - (KMTO)
27°
Cloudy
as of 4:53 PM CST
Rel. Humidity: 73%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.49 in.
Flight Rule: MVFR
Wind Data
6 MPH
250° West
Cloud Level(s): Solid Overcast at 2000ft
Clearing on Tonight Tonight... Mostly cloudy during the early evening, then gradual clearing, with a low around 24. South southwest wind 5 to 10 mph, with gusts as high as 21 mph.

Sunny on Monday Monday... Sunny, with a high near 44. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 30. South southwest wind 6 to 9 mph, with gusts as high as 17 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 53. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.

30% chance of rain & snow Wednesday Wednesday... A chance of rain and snow after noon. Mostly cloudy, with a high near 42. Northwest wind 9 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 16. North northwest wind 15 to 17 mph, with gusts as high as 31 mph.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 30.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 21.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 37.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 21.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 29.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 11.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 26.

Current Radar Image


Sun Almanac for Griffin, Illinois
Sunrise: 07:10 AM
Sunset: 4:47 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:22 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.