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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: 5:37 pm CST Jan 2, 2026 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Cloudy on Tonight Mostly Cloudy on Saturday Increasing Clouds on Sunday Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday 20% chance of rain on Friday
Low: 26°F High: 37°F High: 36°F High: 51°F High: 57°F High: 56°F High: 58°F High: 57°F
Low: 21°F Low: 27°F Low: 40°F Low: 37°F Low: 44°F Low: 48°F  
Cloudy Mostly Cloudy Increasing Clouds Sunny Partly Sunny Partly Sunny Rain Rain
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
30°
Clear
as of 5:35 PM CST
Rel. Humidity: 74%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
28°
Feels like 17°F
Mostly Clear
as of 4:53 PM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
13 MPH
030° Northeast
Cloud Level(s): Few at 2200ft
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
32°
Clear
as of 5:30 PM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
6 MPH
020° North
Cloud Level(s): Clear
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
30°
Clear
as of 5:35 PM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Cloudy on Tonight Tonight... Cloudy, with a low around 26. Northeast wind around 7 mph.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, then gradually becoming sunny, with a high near 37. Northeast wind around 7 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 21. North northwest wind around 5 mph becoming calm in the evening.

Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 36. Light and variable wind.

Mostly Clear on Sunday Night Sunday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 27. South southeast wind 3 to 8 mph. Winds could gust as high as 15 mph.

Sunny on Monday Monday... Sunny, with a high near 51. South southwest wind 7 to 11 mph, with gusts as high as 17 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 40. South wind around 7 mph, with gusts as high as 15 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 57.

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.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 44.

20% chance of rain Thursday Thursday... A chance of rain. Mostly cloudy, with a high near 58.

20% chance of rain Thursday Night Thursday Night... A chance of rain. Mostly cloudy, with a low around 48.

20% chance of rain Friday Friday... A chance of rain. Partly sunny, with a high near 57.

Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:13 AM
Sunset: 4:42 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:18 PM
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