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Griffin, Illinois Weather Forecast
Griffin, Illinois Weather
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Weather Forecast for Griffin, Illinois : Clark County
Issued: 11:26 am CST Jan 18, 2026 Latitude: 39.4467022 Longitude: -87.6547484 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight M.L.King Day Tuesday Wednesday Thursday Friday Saturday
20% chance of snow on This Afternoon 20% chance of snow on Tonight Sunny on M.L.King Day Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday 20% chance of rain on Friday 20% chance of snow on Saturday
High: 24°F Low: 7 °F High: 16°F High: 28°F High: 40°F High: 31°F High: 39°F High: 28°F
Low: 5 °F Low: 22°F Low: 18°F Low: 20°F Low: 20°F  
Snow Snow Sunny Mostly Sunny Partly Sunny Mostly Sunny Rain Snow
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
21°
Feels like 8°F
Partly Cloudy
as of 11:35 AM CST
Rel. Humidity: 53%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
13 MPH
210° Southwest
Cloud Level(s): Scattered at 2500ft
Current Conditions at
ROBINSON - (KRSV)
19°
Feels like 6°F
Mostly Clear
as of 11:35 AM CST
Rel. Humidity: 57%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 16 MPH
220° Southwest
Cloud Level(s): Few at 2900ft
20% chance of snow This Afternoon This Afternoon... A chance of flurries after 2pm. Mostly cloudy, with a high near 24. South southwest wind 13 to 15 mph, with gusts as high as 23 mph.

20% chance of snow Tonight Tonight... A chance of flurries before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values between -3 and 2. South southwest wind 10 to 18 mph becoming west northwest after midnight. Winds could gust as high as 30 mph.

Sunny on M.L.King Day M.L.King Day... Sunny, with a high near 16. Wind chill values between -8 and zero. West northwest wind 8 to 18 mph, with gusts as high as 31 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 5. Wind chill values between -4 and 1. West wind 3 to 6 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 28. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 22. South wind 7 to 14 mph, with gusts as high as 25 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 40. West wind 9 to 15 mph, with gusts as high as 24 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 18.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 31.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 20.

20% chance of rain Friday Friday... A chance of rain. Mostly cloudy, with a high near 39.

20% chance of rain & snow Friday Night Friday Night... A chance of rain and snow. Mostly cloudy, with a low around 20.

20% chance of snow Saturday Saturday... A chance of snow. Partly sunny, with a high near 28.

Sun Almanac for Griffin, Illinois
Sunrise: 07:08 AM
Sunset: 4:55 PM
Civil Sunrise:06:38 AM
Civil Sunset: 5:24 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:29 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.