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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 4:27 am CST Jan 7, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Today Increasing Clouds on Tonight 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
High: 52°F Low: 37°F High: 63°F High: 62°F High: 48°F High: 32°F High: 41°F High: 45°F
Low: 56°F Low: 42°F Low: 23°F Low: 20°F Low: 27°F  
Mostly Cloudy Increasing Clouds Rain Rain Rain Partly Sunny Sunny Mostly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
39°
Cloudy
Mist
as of 4:15 AM CST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 5 Miles
Pressure: 29.90 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
TERRE HAUTE - (KHUF)
41°
Cloudy
as of 4:53 AM EST
Rel. Humidity: 86%
Dew Point: 37°F
Visibility: 8 Miles
Pressure: 29.89 in.
Flight Rule: MVFR
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
ROBINSON - (KRSV)
28°
Partly Cloudy
Freezing Fog
as of 4:15 AM CST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: Less than 1/4 Miles
Pressure: 29.90 in.
Flight Rule: LIFR
Wind Data
3 MPH
210° Southwest
Current Conditions at
MATTOON - (KMTO)
30°
Cloudy
Freezing Fog
as of 4:22 AM CST
Rel. Humidity: 100%
Dew Point: 30°F
Visibility: 1/4 Miles
Pressure: 29.89 in.
Flight Rule: IFR
Wind Data
3 MPH
290° West
Mostly Cloudy on Today Today... 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 Tonight Tonight... 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, mainly after 5pm. Cloudy, with a high near 63. South southeast wind 9 to 18 mph, with gusts as high as 29 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 33 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. West wind 8 to 16 mph, with gusts as high as 25 mph.

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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