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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 3:16 am CST Jan 3, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Clearing on Today Cloudy on Tonight Increasing Clouds on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday 70% chance of rain on Thursday 20% chance of rain on Friday
High: 36°F Low: 19°F High: 37°F High: 50°F High: 57°F High: 56°F High: 61°F High: 59°F
Low: 26°F Low: 38°F Low: 36°F Low: 42°F Low: 50°F  
Clearing Cloudy Increasing Clouds Mostly Sunny Partly Sunny Mostly Sunny Rain Rain
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
25°
Clear
as of 3:55 AM CST
Rel. Humidity: 73%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
27°
Mostly Cloudy
as of 4:53 AM EST
Rel. Humidity: 73%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
8 MPH
050° Northeast
Cloud Level(s): Broken at 11000ft
Current Conditions at
ROBINSON - (KRSV)
28°
Cloudy
as of 3:55 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
8 MPH
050° Northeast
Cloud Level(s): Broken at 7500ft, Solid Overcast at 11000ft
Current Conditions at
MATTOON - (KMTO)
25°
Mostly Cloudy
as of 3:53 AM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
7 MPH
030° Northeast
Cloud Level(s): Broken at 11000ft
Clearing on Today Today... Cloudy through mid morning, then gradual clearing, with a high near 36. North northeast wind 3 to 6 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 19. Light north northwest wind.
Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 37. Light and variable wind.
Mostly Clear on Sunday Night Sunday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 26. South southeast wind 3 to 8 mph. Winds could gust as high as 16 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 50. South wind 7 to 10 mph, with gusts as high as 17 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 38. South wind around 7 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 57. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 56.
30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 42.
70% chance of rain Thursday Thursday... Rain likely. Mostly cloudy, with a high near 61.
20% chance of rain Thursday Night Thursday Night... A chance of rain. Mostly cloudy, with a low around 50.
20% chance of rain Friday Friday... A chance of rain. Mostly sunny, with a high near 59.
Current Radar Image


Sun Almanac for Griffin, Illinois
Sunrise: 07:11 AM
Sunset: 4:39 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:16 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.