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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: 9:16 am CST Dec 26, 2025 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday New Year's Day
Mostly Cloudy on Today Patchy Fog on Tonight Morning Fog on Saturday 90% chance of rain on Sunday Mostly Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on New Year's Day
High: 64 °F Low: 44°F High: 58°F High: 68°F High: 27°F High: 32°F High: 36°F High: 31°F
Low: 58°F Low: 21°F Low: 17°F Low: 23°F Low: 19°F  
Mostly Cloudy Patchy Fog Morning Fog Rain Mostly Sunny Sunny Mostly Sunny Partly Sunny
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
63°
Mostly Cloudy
as of 8:55 AM CST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
13 MPH
200° South
Cloud Level(s): Scattered at 1100ft, Scattered at 2400ft, Broken at 3100ft
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
63°
Cloudy
as of 8:50 AM CST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: MVFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Broken at 1200ft, Broken at 1800ft, Solid Overcast at 3400ft
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
63°
Cloudy
as of 8:55 AM CST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: MVFR
Wind Data
12 MPH
230° Southwest
Cloud Level(s): Scattered at 1300ft, Broken at 1900ft, Solid Overcast at 2400ft
Mostly Cloudy on Today Today... Mostly cloudy, with a temperature rising to near 64 by 11am, then falling to around 55 during the remainder of the day. Southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Patchy Fog on Tonight Tonight... Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 44. Northwest wind 5 to 8 mph becoming light and variable.
Morning Fog on Saturday Saturday... Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 58. Southeast wind 5 to 10 mph, with gusts as high as 17 mph.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of rain after midnight. Cloudy, with a low around 58. Southeast wind 9 to 11 mph, with gusts as high as 20 mph.
90% chance of rain Sunday Sunday... Rain likely before noon, then showers after noon. High near 68. South southwest wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
80% chance of rain & snow Sunday Night Sunday Night... Rain before 3am, then a chance of snow. Low around 21. Blustery, with a west northwest wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 27. Blustery, with a west northwest wind 17 to 23 mph, with gusts as high as 33 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 17.
Sunny on Tuesday Tuesday... Sunny, with a high near 32.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 23.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 36.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 19.
Partly Sunny on New Year's Day New Year's Day... Partly sunny, with a high near 31.
Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:11 AM
Sunset: 4:37 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:13 PM
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