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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 6:26 pm CST Nov 17, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
70% chance of thunderstorms on Tonight 60% chance of thunderstorms on Tuesday Mostly Cloudy on Wednesday 60% chance of rain on Thursday 70% chance of rain on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday
Low: 42°F High: 56°F High: 56°F High: 61°F High: 57°F High: 53°F High: 56°F High: 55°F
Low: 42°F Low: 41°F Low: 49°F Low: 39°F Low: 35°F Low: 38°F  
Thunderstorms Thunderstorms Mostly Cloudy Rain Rain Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
43°
Clear
as of 6:15 PM CST
Rel. Humidity: 38%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
48°
Clear
as of 5:53 PM CST
Rel. Humidity: 34%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
5 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
43°
Clear
as of 6:53 PM EST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
5 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
46°
Clear
as of 6:15 PM CST
Rel. Humidity: 42%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
5 MPH
080° East
Cloud Level(s): Clear
70% chance of thunderstorms Tonight Tonight... Rain likely, with thunderstorms also possible after 3am. Increasing clouds, with a low around 42. East southeast wind 5 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
60% chance of thunderstorms Tuesday Tuesday... Rain and thunderstorms likely. Cloudy, with a high near 56. South southeast wind 5 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 42. North northeast wind around 6 mph.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 56. North northeast wind around 6 mph becoming calm in the morning.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 41. Calm wind.
60% chance of rain Thursday Thursday... Rain likely, mainly after noon. Cloudy, with a high near 61. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
70% chance of rain Thursday Night Thursday Night... Rain likely. Cloudy, with a low around 49. South wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
70% chance of rain Friday Friday... Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
40% chance of rain Friday Night Friday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 53.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 35.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 56.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 38.
Partly Sunny on Monday Monday... Partly sunny, with a high near 55.
Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 06:38 AM
Sunset: 4:35 PM
Civil Sunrise:06:09 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 05:36 AM
Nautical Sunset: 5:36 PM
Astro Sunrise: 05:05 AM
Astro Sunset: 6:08 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.