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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: 11:17 am CST Jan 7, 2026 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on Today Increasing Clouds on Tonight 60% chance of rain on Thursday Partly Sunny on Friday 30% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 54°F Low: 40°F High: 63°F High: 60°F High: 47°F High: 32°F High: 41°F High: 46°F
Low: 55°F Low: 42°F Low: 24°F Low: 20°F Low: 28°F  
Mostly Sunny Increasing Clouds Rain Partly Sunny Rain Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
48°
Clear
as of 11:15 AM CST
Rel. Humidity: 70%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
37°
Feels like 30°F
Cloudy
Mist
as of 11:17 AM CST
Rel. Humidity: 100%
Dew Point: 37°F
Visibility: 1 1/4 Miles
Pressure: 29.97 in.
Flight Rule: LIFR
Wind Data
9 MPH
160° South
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
45°
Clear
as of 10:50 AM CST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
5 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
50°
Feels like 46°F
Clear
as of 11:15 AM CST
Rel. Humidity: 71%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 54. South wind 5 to 7 mph.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 40. South southeast wind 7 to 9 mph, with gusts as high as 18 mph.

60% chance of rain Thursday Thursday... Rain likely, mainly after 2pm. Cloudy, with a high near 63. Breezy, with a south southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

90% chance of rain Thursday Night Thursday Night... Rain, mainly before midnight. Low around 55. Breezy, with a south wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Partly Sunny on Friday Friday... Partly sunny, with a high near 60. Southwest wind 7 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

50% chance of rain Friday Night Friday Night... A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 42. North wind 6 to 8 mph.

30% chance of rain Saturday Saturday... A 30 percent chance of rain before noon. Partly sunny, with a high near 47. West wind 9 to 17 mph, with gusts as high as 24 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 24.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 32.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 20.

Sunny on Monday Monday... Sunny, with a high near 41.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 28.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 46.

Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:13 AM
Sunset: 4:47 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:22 PM
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