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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: 11:37 pm CST Nov 16, 2025 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Clear on Overnight Mostly Sunny on Monday 60% chance of rain on Tuesday Mostly Cloudy on Wednesday 80% chance of rain on Thursday 60% chance of rain on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
Low: 30°F High: 56°F High: 60°F High: 61°F High: 64°F High: 65°F High: 55°F High: 55°F
Low: 43°F Low: 45°F Low: 47°F Low: 54°F Low: 42°F Low: 37°F  
Mostly Clear Mostly Sunny Rain Mostly Cloudy Rain Rain Partly Sunny Mostly Sunny
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
34°
Clear
as of 11:55 PM CST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
37°
Clear
as of 11:53 PM CST
Rel. Humidity: 40%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
5 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
34°
Clear
as of 11:50 PM CST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
34°
Clear
as of 11:55 PM CST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 30. Light north northwest wind.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the morning.
80% chance of thunderstorms Monday Night Monday Night... A chance of rain before 9pm, then a chance of showers between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 43. Southeast wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
60% chance of rain Tuesday Tuesday... Showers likely before 9am, then rain likely, mainly between 9am and noon. Mostly cloudy, with a high near 60. Southeast wind 7 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 45. Northeast wind around 6 mph.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 61. Northeast wind around 6 mph becoming light and variable in the afternoon.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 47. Calm wind becoming east around 5 mph after midnight.
80% chance of rain Thursday Thursday... Rain. High near 64. Chance of precipitation is 80%.
80% chance of rain Thursday Night Thursday Night... Rain. Low around 54. Chance of precipitation is 80%.
60% chance of rain Friday Friday... Rain likely, mainly before noon. Partly sunny, with a high near 65. Chance of precipitation is 60%.
20% chance of rain Friday Night Friday Night... A chance of rain. Mostly cloudy, with a low around 42.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 55.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 37.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 55.
Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 06:39 AM
Sunset: 4:37 PM
Civil Sunrise:06:11 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:38 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:06 AM
Astro Sunset: 6:10 PM
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