Shamrock, Illinois Weather
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Weather Forecast for Shamrock, Illinois : Jasper County
Issued: 2:56 am CDT Jun 4, 2025 Latitude: 38.8908785 Longitude: -88.1872622 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
40% chance of thunderstorms on Today 80% chance of thunderstorms on Tonight 70% chance of thunderstorms on Thursday 70% chance of thunderstorms on Friday 30% chance of rain on Saturday 30% chance of rain on Sunday Sunny on Monday Sunny on Tuesday
High: 85°F Low: 69°F High: 79°F High: 79°F High: 78°F High: 81°F High: 79°F High: 81°F
Low: 68°F Low: 64°F Low: 59°F Low: 63°F Low: 59°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Rain Rain Sunny Sunny
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Current Conditions at
OLNEY-NOBLE AIRPORT - (KOLY)
72°
Partly Cloudy
as of 5:10 AM CDST
Rel. Humidity: 68%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 7500ft
Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
73°
Mostly Cloudy
as of 5:15 AM CDST
Rel. Humidity: 73%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
9 MPH
180° South
Cloud Level(s): Scattered at 3600ft, Broken at 4400ft, Broken at 5000ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
73°
Partly Cloudy
as of 5:15 AM CDST
Rel. Humidity: 69%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
10 MPH
210° Southwest
Cloud Level(s): Scattered at 5000ft
40% chance of thunderstorms Today Today... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. South southwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
80% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 69. West wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
70% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. South wind around 6 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
40% chance of thunderstorms Thursday Night Thursday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light and variable wind.
70% chance of thunderstorms Friday Friday... A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. West southwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
40% chance of thunderstorms Friday Night Friday Night... A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64. West southwest wind around 6 mph becoming light and variable.
30% chance of rain Saturday Saturday... A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 78. Northwest wind around 6 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 59.
30% chance of rain Sunday Sunday... A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 63.
Sunny on Monday Monday... Sunny, with a high near 79.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 59.
Sunny on Tuesday Tuesday... Sunny, with a high near 81.
Current Radar Image


Sun Almanac for Shamrock, Illinois
Sunrise: 05:28 AM
Sunset: 8:14 PM
Civil Sunrise:04:56 AM
Civil Sunset: 8:46 PM
Nautical Sunrise: 04:17 AM
Nautical Sunset: 9:26 PM
Astro Sunrise: 03:32 AM
Astro Sunset: 10:11 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.