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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: 8:22 pm CST Dec 3, 2025 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
40% chance of freezing rain & snow on Tonight Mostly Cloudy on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Cloudy on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday
Low: 13°F High: 20°F High: 33°F High: 36°F High: 31°F High: 28°F High: 38°F High: 44°F
Low: 10°F Low: 21°F Low: 23°F Low: 15°F Low: 20°F Low: 29°F  
Freezing Rain & Snow Mostly Cloudy Mostly Sunny Partly Sunny Mostly Cloudy Mostly Sunny Partly Sunny Rain
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
32°
Mostly Cloudy
as of 7:55 PM CST
Rel. Humidity: 86%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 2400ft
Current Conditions at
MATTOON - (KMTO)
28°
Cloudy
as of 7:53 PM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 7 Miles
Pressure: 30.15 in.
Flight Rule: MVFR
Wind Data
7 MPH
200° South
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
32°
Cloudy
as of 7:50 PM CST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 7 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
32°
Cloudy
Mist
as of 7:55 PM CST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 7 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 10000ft
40% chance of freezing rain & snow Tonight Tonight... A chance of snow and freezing rain before 1am, then a slight chance of snow between 1am and 3am. Cloudy, with a low around 13. West wind 5 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, then gradually becoming sunny, with a high near 20. Wind chill values between 1 and 11. North wind 5 to 11 mph, with gusts as high as 16 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 10. Light and variable wind.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 33. Calm wind becoming south southwest around 6 mph in the morning.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 21. South southwest wind 3 to 5 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 36. West wind around 6 mph becoming calm in the afternoon.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 23. Calm wind becoming north northeast 5 to 7 mph after midnight.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 31.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 15.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 28.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 20.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 38.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29.

20% chance of rain Wednesday Wednesday... A chance of rain. Partly sunny, with a high near 44.

Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 06:56 AM
Sunset: 4:31 PM
Civil Sunrise:06:26 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 05:53 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 6:06 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.