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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 2, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on This Afternoon Cloudy on Tonight Clearing on Saturday Increasing Clouds on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday
High: 34°F Low: 25°F High: 37°F High: 36°F High: 50°F High: 56°F High: 56°F High: 58°F
Low: 19°F Low: 26°F Low: 38°F Low: 37°F Low: 42°F  
Mostly Cloudy Cloudy Clearing Increasing Clouds Mostly Sunny Partly Sunny Partly Sunny Rain
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
30°
Mostly Cloudy
as of 3:15 PM CST
Rel. Humidity: 63%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 2100ft
Current Conditions at
TERRE HAUTE - (KHUF)
34°
Clear
as of 3:53 PM EST
Rel. Humidity: 59%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
5 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
ROBINSON - (KRSV)
34°
Feels like 26°F
Clear
as of 3:15 PM CST
Rel. Humidity: 59%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
9 MPH
030° Northeast
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
30°
Feels like 21°F
Mostly Clear
as of 2:53 PM CST
Rel. Humidity: 63%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
9 MPH
020° North
Cloud Level(s): Few at 2200ft
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a high near 34. North northeast wind around 7 mph.

Cloudy on Tonight Tonight... Cloudy, with a low around 25. Northeast wind around 6 mph.

Clearing on Saturday Saturday... Cloudy through mid morning, then gradual clearing, with a high near 37. Northeast wind 5 to 7 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 19. Light north northwest wind.

Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 36. Calm wind.

Mostly Clear on Sunday Night Sunday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Calm wind becoming south 5 to 8 mph in the evening. Winds could gust as high as 16 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 50. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 38.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 56.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 37.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 56.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 42.

20% chance of rain Thursday Thursday... A chance of rain. Mostly cloudy, with a high near 58.

Current Radar Image


Sun Almanac for Griffin, Illinois
Sunrise: 07:11 AM
Sunset: 4:39 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:15 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.