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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 12:36 am CST Jan 20, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Clearing on Overnight Mostly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday Sunny on Monday
Low: 6 °F High: 30°F High: 42°F High: 31°F High: 14°F High: 13°F High: 19°F High: 27°F
Low: 30 °F Low: 21°F Low: 8 °F Low: 0°F Low: 2°F Low: 6°F  
Clearing Mostly Sunny Mostly Cloudy Mostly Sunny Mostly Cloudy Mostly Cloudy Mostly Sunny Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
Clear
as of 12:55 AM CST
Rel. Humidity: 55%
Dew Point: -4°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
12°
Mostly Clear
as of 1:53 AM EST
Rel. Humidity: 51%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Wind Data
6 MPH
290° West
Cloud Level(s): Few at 12000ft
Current Conditions at
ROBINSON - (KRSV)
14°
Mostly Cloudy
as of 12:55 AM CST
Rel. Humidity: 51%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.43 in.
Flight Rule: VFR
Wind Data
5 MPH
290° West
Cloud Level(s): Broken at 11000ft
Current Conditions at
MATTOON - (KMTO)
10°
Clear
as of 12:53 AM CST
Rel. Humidity: 60%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.39 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Clearing on Overnight Overnight... Mostly cloudy early, then gradual clearing, with a low around 6. Wind chill values between -2 and 3. Southwest wind 3 to 5 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 30. Wind chill values between -4 and 6. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a temperature rising to around 30 by 4am. South wind 7 to 17 mph, with gusts as high as 30 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, then gradually becoming sunny, with a high near 42. West southwest wind 8 to 18 mph, with gusts as high as 30 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 21. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 31. West northwest wind 5 to 10 mph, with gusts as high as 16 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 8. Light west northwest wind becoming north northwest 5 to 9 mph in the evening. Winds could gust as high as 17 mph.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 14.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 0.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 13.

20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 2.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 19.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 6.

Sunny on Monday Monday... Sunny, with a high near 27.

Current Radar Image


Sun Almanac for Griffin, Illinois
Sunrise: 07:07 AM
Sunset: 4:57 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:26 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:59 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:31 PM
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