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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 1:36 am CST Jan 2, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Overnight Mostly Cloudy on Friday Clearing on Saturday Increasing Clouds on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday
Low: 23°F High: 34°F High: 37°F High: 37°F High: 50°F High: 56°F High: 55°F High: 57°F
Low: 24°F Low: 19°F Low: 27°F Low: 38°F Low: 36°F Low: 39°F  
Mostly Cloudy Mostly Cloudy Clearing Increasing Clouds Mostly Sunny Partly Sunny Partly Sunny Rain
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
27°
Mostly Cloudy
as of 1:15 AM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 2000ft
Current Conditions at
TERRE HAUTE - (KHUF)
28°
Partly Cloudy
as of 2:33 AM EST
Rel. Humidity: 86%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
5 MPH
350° North
Cloud Level(s): Scattered at 1800ft
Current Conditions at
ROBINSON - (KRSV)
28°
Clear
Mist
as of 1:15 AM CST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: 6 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
2 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
25°
Partly Cloudy
as of 1:06 AM CST
Rel. Humidity: 92%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Scattered at 2100ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 23. Light north wind.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 34. North northeast wind 3 to 6 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 24. Northeast wind 5 to 7 mph.
Clearing on Saturday Saturday... Cloudy through mid morning, then gradual clearing, with a high near 37. North northeast wind around 6 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 19. Light north wind.
Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 37. Calm wind.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 27. Calm wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 17 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 50.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 38.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 56.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 55.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 39.
20% chance of rain Thursday Thursday... A chance of rain. Mostly cloudy, with a high near 57.
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: 5:42 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:15 PM
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