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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 1:22 am CST Jan 7, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight Mostly Cloudy on Wednesday 60% chance of rain on Thursday 30% chance of rain on Friday 30% chance of rain on Saturday Partly Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
Low: 35°F High: 52°F High: 63°F High: 62°F High: 48°F High: 32°F High: 41°F High: 45°F
Low: 37°F Low: 56°F Low: 42°F Low: 23°F Low: 20°F Low: 27°F  
Cloudy Mostly Cloudy Rain Rain Rain Partly Sunny Sunny Mostly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
41°
Feels like 34°F
Cloudy
as of 1:15 AM CST
Rel. Humidity: 86%
Dew Point: 37°F
Visibility: 7 Miles
Pressure: 29.85 in.
Flight Rule: MVFR
Wind Data
10 MPH
Gust: 15 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1100ft
Current Conditions at
TERRE HAUTE - (KHUF)
43°
Cloudy
as of 1:53 AM EST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 9 Miles
Pressure: 29.85 in.
Flight Rule: MVFR
Wind Data
7 MPH
290° West
Cloud Level(s): Solid Overcast at 1300ft
Current Conditions at
ROBINSON - (KRSV)
39°
Cloudy
Mist
as of 1:15 AM CST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 6 Miles
Pressure: 29.87 in.
Flight Rule: MVFR
Wind Data
7 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1200ft
Current Conditions at
MATTOON - (KMTO)
39°
Feels like 32°F
Cloudy
as of 12:53 AM CST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 7 Miles
Pressure: 29.85 in.
Flight Rule: IFR
Wind Data
10 MPH
290° West
Cloud Level(s): Solid Overcast at 900ft
Cloudy on Overnight Overnight... Cloudy, with a low around 35. West northwest wind 3 to 7 mph.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, then gradually becoming sunny, with a high near 52. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 37. South wind 6 to 8 mph, with gusts as high as 15 mph.
60% chance of rain Thursday Thursday... Rain likely after noon. Cloudy, with a high near 63. South southeast wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Thursday Night Thursday Night... Rain. Low around 56. Breezy, with a south wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
30% chance of rain Friday Friday... A 30 percent chance of rain before noon. Partly sunny, with a high near 62. Southwest wind 7 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
50% chance of rain Friday Night Friday Night... A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 42. North wind around 7 mph.
30% chance of rain Saturday Saturday... A 30 percent chance of rain before noon. Mostly cloudy, with a high near 48.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 23.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 32.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 20.
Sunny on Monday Monday... Sunny, with a high near 41.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 27.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 45.
Current Radar Image


Sun Almanac for Griffin, Illinois
Sunrise: 07:11 AM
Sunset: 4:43 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:19 PM
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