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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: 3:23 am CST Dec 29, 2025 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday New Year's Day Friday Saturday Sunday
Mostly Cloudy on Today Cloudy on Tonight Mostly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on New Year's Day Partly Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday
High: 24°F Low: 14°F High: 31°F High: 37°F High: 31°F High: 35°F High: 36°F High: 38°F
Low: 26°F Low: 21°F Low: 19°F Low: 22°F Low: 20°F  
Mostly Cloudy Cloudy Mostly Sunny Mostly Cloudy Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
MATTOON - (KMTO)
Clear
as of 5:53 AM CST
Pressure: 30.02 in.
Wind Data
Calm
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
19°
Feels like 2°F
Cloudy
as of 6:10 AM CST
Rel. Humidity: 62%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
23 MPH
Gust: 33 MPH
080° East
Cloud Level(s): Solid Overcast at 3700ft
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
18°
Feels like -1°F
Cloudy
as of 6:10 AM CST
Rel. Humidity: 61%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
30 MPH
Gust: 37 MPH
290° West
Cloud Level(s): Solid Overcast at 3300ft
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 24. Wind chill values between -4 and 6. Windy, with a west northwest wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 45 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 14. Wind chill values between 2 and 7. Northwest wind 10 to 17 mph, with gusts as high as 25 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 31. Wind chill values between 3 and 13. West wind around 10 mph, with gusts as high as 17 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 26. West southwest wind 8 to 10 mph, with gusts as high as 17 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 37. West wind 8 to 13 mph, with gusts as high as 20 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 21. West northwest wind around 7 mph.

Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 31. North northwest wind 5 to 8 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 19.

Partly Sunny on Friday Friday... Partly sunny, with a high near 35.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22.

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

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 20.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 38.

Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:12 AM
Sunset: 4:39 PM
Civil Sunrise:06:42 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:15 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.