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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: 12:37 am CST Jan 5, 2026 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Overnight Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 70% chance of rain on Thursday 40% chance of rain on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
Low: 29°F High: 53°F High: 59°F High: 56°F High: 58°F High: 52°F High: 42°F High: 36°F
Low: 42°F Low: 35°F Low: 44°F Low: 44°F Low: 32°F Low: 22°F  
Mostly Clear Mostly Sunny Mostly Sunny Mostly Sunny Rain Rain Partly Sunny Mostly Sunny
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
34°
Clear
as of 12:35 AM CST
Rel. Humidity: 64%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
7 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
34°
Feels like 25°F
Clear
as of 11:53 PM CST
Rel. Humidity: 64%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
10 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
32°
Clear
as of 12:10 AM CST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
7 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
30°
Feels like 21°F
Clear
as of 12:35 AM CST
Rel. Humidity: 74%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
9 MPH
180° South
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 29. South wind around 8 mph, with gusts as high as 16 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 53. Southwest wind 7 to 10 mph, with gusts as high as 17 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 42. South wind 6 to 11 mph, with gusts as high as 20 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 59. South southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 35. West wind around 6 mph becoming calm after midnight.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 56. Calm wind becoming south southwest around 6 mph in the morning.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 44. South wind 6 to 8 mph.

70% chance of rain Thursday Thursday... Rain likely, mainly after noon. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

70% chance of rain Thursday Night Thursday Night... Rain likely, mainly before midnight. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

40% chance of rain Friday Friday... A 40 percent chance of rain. Partly sunny, with a high near 52.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 32.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 42.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 22.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 36.

Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:13 AM
Sunset: 4:45 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:20 PM
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