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Island Grove, Illinois Weather Forecast
Island Grove, Illinois Weather
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Weather Forecast for Island Grove, Illinois : Jasper County
Issued: 4:32 am CST Jan 11, 2026 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
20% chance of snow on Overnight Flurries on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 30% chance of rain & snow on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday Mostly Cloudy on Saturday
Low: 26°F High: 35°F High: 46°F High: 54°F High: 41°F High: 32°F High: 38°F High: 29°F
Low: 25°F Low: 33°F Low: 36°F Low: 17°F Low: 24°F Low: 21°F  
Snow Flurries Mostly Sunny Partly Sunny Rain & Snow Mostly Sunny Mostly Cloudy Mostly Cloudy
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
27°
Feels like 12°F
Mostly Cloudy
as of 4:55 AM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
23 MPH
Gust: 31 MPH
290° West
Cloud Level(s): Scattered at 3600ft, Broken at 4700ft
Current Conditions at
MATTOON - (KMTO)
21°
Feels like 3°F
Partly Cloudy
as of 4:53 AM CST
Rel. Humidity: 67%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
29 MPH
Gust: 37 MPH
300° Northwest
Cloud Level(s): Few at 3700ft, Scattered at 9500ft
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
30°
Feels like 17°F
Cloudy
as of 4:55 AM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 25 MPH
300° Northwest
Cloud Level(s): Scattered at 4000ft, Solid Overcast at 4800ft
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
30°
Feels like 17°F
Cloudy
as of 4:55 AM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 29 MPH
300° Northwest
Cloud Level(s): Scattered at 3900ft, Solid Overcast at 4800ft
20% chance of snow Overnight Overnight... Isolated snow showers. Cloudy, with a low around 26. Blustery, with a west northwest wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Flurries on Sunday Sunday... Isolated flurries before 8am. Mostly sunny, with a high near 35. Breezy, with a northwest wind 16 to 21 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 36 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 25. West wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 46. West southwest wind 7 to 13 mph, with gusts as high as 18 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 33. South southwest wind 6 to 9 mph, with gusts as high as 16 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 54. West southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36. West wind 8 to 10 mph, with gusts as high as 18 mph.
30% chance of rain & snow Wednesday Wednesday... A chance of rain and snow after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 17.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 32.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 24.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 38.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 21.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 29.
Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:12 AM
Sunset: 4:51 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:25 PM
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