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Island Grove, Illinois Weather Forecast
Island Grove, Illinois Weather
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No Watches or Warnings for Island Grove
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Weather Forecast for Island Grove, Illinois : Jasper County
Issued: 3:16 am CST Jan 2, 2026 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Today Mostly Cloudy on Tonight Clearing on Saturday Increasing Clouds on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday
High: 35°F Low: 26°F High: 37°F High: 37°F High: 51°F High: 57°F High: 56°F High: 57°F
Low: 21°F Low: 28°F Low: 39°F Low: 37°F Low: 42°F  
Mostly Cloudy Mostly Cloudy Clearing Increasing Clouds Mostly Sunny Partly Sunny Partly Sunny Rain
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
30°
Cloudy
as of 4:35 AM CST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
3 MPH
350° North
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
MATTOON - (KMTO)
27°
Feels like 16°F
Cloudy
as of 4:07 AM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: MVFR
Wind Data
10 MPH
350° North
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
28°
Clear
as of 4:10 AM CST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: 7 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
5 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
28°
Clear
as of 4:35 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
6 MPH
350° North
Cloud Level(s): Clear
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 35. North northeast wind 3 to 7 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 26. Northeast wind 5 to 7 mph.
Clearing on Saturday Saturday... Cloudy through mid morning, then gradual clearing, with a high near 37. Northeast wind around 6 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 21. Light north northwest wind.
Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 37. Light and variable wind.
Mostly Clear on Sunday Night Sunday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Light southeast wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 17 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 51. South southwest wind 7 to 13 mph, with gusts as high as 18 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 39.
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 42.
20% chance of rain Thursday Thursday... A chance of rain. Mostly cloudy, 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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