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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: 3:16 am CST Jan 3, 2026 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Clearing on Today Increasing Clouds on Tonight Increasing Clouds on Sunday Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday 70% chance of rain on Thursday 20% chance of rain on Friday
High: 36°F Low: 21°F High: 37°F High: 51°F High: 59°F High: 56°F High: 61°F High: 59°F
Low: 28°F Low: 40°F Low: 37°F Low: 44°F Low: 50°F  
Clearing Increasing Clouds Increasing Clouds Sunny Partly Sunny Partly Sunny Rain Rain
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
27°
Clear
as of 6:35 AM CST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
5 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
23°
Mostly Clear
as of 5:53 AM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 9 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
020° North
Cloud Level(s): Few at 11000ft
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
28°
Partly Cloudy
as of 6:30 AM CST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
060° Northeast
Cloud Level(s): Scattered at 12000ft
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
28°
Clear
as of 6:35 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
030° Northeast
Cloud Level(s): Clear
Clearing on Today Today... Mostly cloudy through mid morning, then gradual clearing, with a high near 36. North wind 3 to 6 mph.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 21. North northwest wind around 5 mph becoming calm after midnight.
Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 37. Calm wind becoming south southeast around 5 mph in the afternoon.
Clearing on Sunday Night Sunday Night... Mostly cloudy during the early evening, then gradual clearing, with a low around 28. South southeast wind 5 to 8 mph, with gusts as high as 15 mph.
Sunny on Monday Monday... Sunny, with a high near 51. South southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 40. South wind around 7 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 59. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 37.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 56.
30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 44.
70% chance of rain Thursday Thursday... Rain likely. Mostly cloudy, with a high near 61.
20% chance of rain Thursday Night Thursday Night... A chance of rain. Mostly cloudy, with a low around 50.
20% chance of rain Friday Friday... A chance of rain. Mostly sunny, with a high near 59.
Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:13 AM
Sunset: 4:43 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:19 PM
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