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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: 3:36 pm CST Jan 18, 2026 Latitude: 39.1025416 Longitude: -88.3353213 View on Google Maps

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This Afternoon Tonight M.L.King Day Tuesday Wednesday Thursday Friday Saturday Sunday
20% chance of snow on This Afternoon 20% chance of snow on Tonight Sunny on M.L.King Day Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday 20% chance of snow on Saturday Mostly Sunny on Sunday
High: 26°F Low: 8 °F High: 17°F High: 30°F High: 43°F High: 30°F High: 34°F High: 23°F High: 17°F
Low: 8 °F Low: 23°F Low: 20°F Low: 18°F Low: 14°F Low: 4°F  
Snow Snow Sunny Mostly Sunny Partly Sunny Mostly Sunny Mostly Cloudy Snow Mostly Sunny
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Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
25°
Feels like 13°F
Cloudy
as of 3:55 PM CST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
12 MPH
190° South
Cloud Level(s): Scattered at 6000ft, Solid Overcast at 10000ft
Current Conditions at
MATTOON - (KMTO)
21°
Feels like 10°F
Cloudy
as of 3:53 PM CST
Rel. Humidity: 57%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
10 MPH
190° South
Cloud Level(s): Solid Overcast at 9500ft
Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
25°
Cloudy
as of 3:55 PM CST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
7 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
FLORA MUNICIPAL AIRPORT - (KFOA)
25°
Feels like 15°F
Cloudy
as of 3:55 PM CST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
9 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 10000ft
20% chance of snow This Afternoon This Afternoon... A chance of flurries. Cloudy, with a high near 26. South southwest wind around 15 mph, with gusts as high as 23 mph.
20% chance of snow Tonight Tonight... A chance of flurries between 9pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values between -4 and 6. Blustery, with a south southwest wind 11 to 16 mph becoming west northwest 17 to 22 mph after midnight. Winds could gust as high as 34 mph.
Sunny on M.L.King Day M.L.King Day... Sunny, with a high near 17. Wind chill values between -2 and -12. Blustery, with a west northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 8. Wind chill values between -2 and 3. Southwest wind 3 to 8 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 30. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.
Increasing Clouds on Tuesday Night Tuesday Night... Increasing clouds, with a low around 23. South wind 7 to 16 mph, with gusts as high as 25 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 43. West southwest wind 9 to 17 mph, with gusts as high as 26 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 20.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 30.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 18.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 34.
20% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 14.
20% chance of snow Saturday Saturday... A chance of snow. Mostly cloudy, with a high near 23.
20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 4.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 17.
Current Radar Image


Sun Almanac for Island Grove, Illinois
Sunrise: 07:10 AM
Sunset: 4:58 PM
Civil Sunrise:06:40 AM
Civil Sunset: 5:27 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 6:00 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:32 PM
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