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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 3:36 pm CST Jan 21, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Tonight Mostly Sunny on Thursday Mostly Cloudy on Friday 50% chance of snow on Saturday 60% chance of snow on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday
Low: 21°F High: 33°F High: 12°F High: 15°F High: 16°F High: 13°F High: 22°F High: 24°F
Low: 6 °F Low: 2 °F Low: 9 °F Low: 0°F Low: 0°F Low: 11°F  
Mostly Clear Mostly Sunny Mostly Cloudy Snow Snow Mostly Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
41°
Feels like 32°F
Clear
as of 4:15 PM CST
Rel. Humidity: 41%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 22 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
46°
Feels like 40°F
Clear
as of 4:53 PM EST
Rel. Humidity: 42%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 25 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
ROBINSON - (KRSV)
46°
Feels like 39°F
Clear
as of 4:15 PM CST
Rel. Humidity: 39%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 22 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
43°
Feels like 33°F
Clear
as of 3:53 PM CST
Rel. Humidity: 38%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 36 MPH
260° West
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 21. West northwest wind 9 to 17 mph, with gusts as high as 33 mph.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 33. West northwest wind 7 to 9 mph, with gusts as high as 16 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 6. Wind chill values between -7 and 3. Southwest wind 6 to 16 mph becoming north after midnight. Winds could gust as high as 24 mph.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 12. Wind chill values between -6 and -11. North wind 13 to 16 mph, with gusts as high as 24 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 2. North northeast wind around 10 mph, with gusts as high as 20 mph.

50% chance of snow Saturday Saturday... A 50 percent chance of snow after noon. Cloudy, with a high near 15. Northeast wind around 11 mph, with gusts as high as 20 mph.

70% chance of snow Saturday Night Saturday Night... Snow likely. Cloudy, with a low around 9. Northeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.

60% chance of snow Sunday Sunday... Snow likely, mainly before noon. Mostly cloudy, with a high near 16. Chance of precipitation is 60%.

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

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 13.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 0.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 22.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 11.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 24.

Current Radar Image


Sun Almanac for Griffin, Illinois
Sunrise: 07:06 AM
Sunset: 4:58 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:27 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 6:00 PM
Astro Sunrise: 05:32 AM
Astro Sunset: 6:32 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.