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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: 2:32 am CST Dec 17, 2025 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Overnight Mostly Sunny on Wednesday 100% chance of rain on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
Low: 35°F High: 47°F High: 54 °F High: 33°F High: 49°F High: 41°F High: 41°F High: 51°F
Low: 49 °F Low: 20°F Low: 26°F Low: 27°F Low: 26°F Low: 34°F  
Mostly Cloudy Mostly Sunny Rain Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
39°
Clear
as of 2:35 AM CST
Rel. Humidity: 64%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
39°
Feels like 32°F
Clear
as of 1:53 AM CST
Rel. Humidity: 60%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 22 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
43°
Clear
as of 2:30 AM CST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
43°
Feels like 35°F
Clear
as of 2:35 AM CST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
14 MPH
220° Southwest
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 35. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 47. Southwest wind 5 to 7 mph becoming light and variable.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain, mainly after 4am. Increasing clouds, with a temperature rising to around 49 by 5am. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 32 mph.
100% chance of rain Thursday Thursday... Rain, mainly before 3pm. Temperature rising to near 54 by noon, then falling to around 41 during the remainder of the day. Breezy, with a south wind 13 to 21 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 20. West wind 11 to 18 mph, with gusts as high as 28 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 33. West northwest wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 26. South wind 7 to 16 mph, with gusts as high as 24 mph.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 49.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 27.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 26.
Partly Sunny on Monday Monday... Partly sunny, with a high near 41.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 34.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 51.
Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:07 AM
Sunset: 4:32 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:02 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 5:36 PM
Astro Sunrise: 05:31 AM
Astro Sunset: 6:09 PM
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