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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 11:37 pm CST Jan 8, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
60% chance of thunderstorms on Overnight Cloudy on Friday 30% chance of rain on Saturday Partly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Partly Sunny on Thursday
Low: 48°F High: 44 °F High: 45°F High: 32°F High: 42°F High: 48°F High: 40°F High: 33°F
Low: 39°F Low: 22°F Low: 21°F Low: 31°F Low: 34°F Low: 22°F  
Thunderstorms Cloudy Rain Partly Sunny Mostly Sunny Partly Sunny Mostly Cloudy Partly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
61°
Cloudy
as of 1:15 AM CST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.60 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 26 MPH
220° Southwest
Cloud Level(s): Scattered at 3300ft, Broken at 5000ft, Solid Overcast at 9000ft
Current Conditions at
TERRE HAUTE - (KHUF)
66°
Mostly Cloudy
Light Rain
as of 1:53 AM EST
Rel. Humidity: 82%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 33 MPH
190° South
Cloud Level(s): Few at 2300ft, Scattered at 2900ft, Broken at 3500ft
Current Conditions at
ROBINSON - (KRSV)
66°
Cloudy
as of 1:15 AM CST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.64 in.
Flight Rule: MVFR
Wind Data
18 MPH
Gust: 26 MPH
200° South
Cloud Level(s): Scattered at 1900ft, Broken at 2500ft, Solid Overcast at 3300ft
Current Conditions at
MATTOON - (KMTO)
63°
Cloudy
as of 12:53 AM CST
Rel. Humidity: 82%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.58 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 23 MPH
190° South
Cloud Level(s): Few at 4700ft, Solid Overcast at 10000ft
60% chance of thunderstorms Overnight Overnight... Rain and thunderstorms likely before 3am, then a chance of rain. Mostly cloudy, with a low around 48. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Cloudy on Friday Friday... Cloudy, with a temperature falling to around 44 by 5pm. West southwest wind 13 to 18 mph becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 30 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 39. Light east northeast wind.
30% chance of rain Saturday Saturday... A 30 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 45. Light west northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 22. West wind 9 to 15 mph, with gusts as high as 24 mph.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 32. West northwest wind 8 to 16 mph, with gusts as high as 25 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 21. Light and variable wind becoming southwest 5 to 7 mph after midnight.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 42.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 48.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 40.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 22.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 33.
Current Radar Image


Sun Almanac for Griffin, Illinois
Sunrise: 07:11 AM
Sunset: 4:45 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:21 PM
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