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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: 11:42 pm CST Dec 26, 2025 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday New Year's Day Friday
Patchy Fog on Overnight Morning Fog on Saturday 80% chance of rain on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on New Year's Day Mostly Sunny on Friday
Low: 44°F High: 58°F High: 69°F High: 25°F High: 31°F High: 37°F High: 25°F High: 26°F
Low: 55°F Low: 19°F Low: 16°F Low: 24°F Low: 17°F Low: 11°F  
Patchy Fog Morning Fog Rain Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
48°
Cloudy
as of 11:35 PM CST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1100ft
Current Conditions at
MATTOON - (KMTO)
48°
Cloudy
as of 10:53 PM CST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: MVFR
Wind Data
6 MPH
340° North
Cloud Level(s): Solid Overcast at 1100ft
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
52°
Cloudy
as of 11:30 PM CST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: MVFR
Wind Data
5 MPH
020° North
Cloud Level(s): Solid Overcast at 1300ft
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
50°
Cloudy
as of 11:35 PM CST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: MVFR
Wind Data
5 MPH
020° North
Cloud Level(s): Solid Overcast at 1100ft
Patchy Fog on Overnight Overnight... Patchy fog. Otherwise, mostly cloudy, with a low around 44. North wind 3 to 5 mph.
Morning Fog on Saturday Saturday... Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 58. Southeast wind 5 to 10 mph, with gusts as high as 17 mph.
20% chance of thunderstorms Saturday Night Saturday Night... A slight chance of rain between midnight and 3am, then a slight chance of rain and thunderstorms after 3am. Cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
80% chance of rain Sunday Sunday... Rain, mainly after noon. High near 69. South southwest wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of rain, snow, & sleet Sunday Night Sunday Night... Rain before midnight, then a chance of rain, snow, and sleet between midnight and 3am, then a chance of snow and sleet after 3am. Low around 19. Blustery, with a west northwest wind 17 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Partly Sunny on Monday Monday... Partly sunny, with a high near 25. Blustery, with a west northwest wind 20 to 26 mph, with gusts as high as 36 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 16. West northwest wind 10 to 16 mph, with gusts as high as 24 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 31.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 24.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 37.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 17.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 25.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 11.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 26.
Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:12 AM
Sunset: 4:38 PM
Civil Sunrise:06:42 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:14 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.