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Harper, Illinois Weather Forecast
Harper, Illinois Weather
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Weather Forecast for Harper, Illinois : White County
Issued: 7:52 am CST Nov 5, 2025 Latitude: 38.1839356 Longitude: -88.0425337 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Veterans Day
Sunny on Today Clear on Tonight Sunny on Thursday 70% chance of thunderstorms on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday Mostly Sunny on Veterans Day
High: 71°F Low: 38°F High: 63°F High: 70°F High: 66°F High: 48°F High: 44°F High: 51°F
Low: 49°F Low: 42°F Low: 38°F Low: 25°F Low: 25°F  
Sunny Clear Sunny Thunderstorms Mostly Sunny Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
FAIRFIELD MUNICIPAL ARPT - (KFWC)
63°
Clear
as of 9:35 AM CST
Rel. Humidity: 55%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 20 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
EVANSVILLE - (KEVV)
61°
Clear
as of 8:54 AM CST
Rel. Humidity: 59%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
14 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
HENDERSON CITY - (KEHR)
59°
Clear
as of 8:56 AM CST
Rel. Humidity: 62%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
17 MPH
230° Southwest
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
63°
Clear
as of 9:15 AM CST
Rel. Humidity: 59%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
17 MPH
240° Southwest
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 71. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Clear on Tonight Tonight... Clear, with a low around 38. North northwest wind 5 to 7 mph becoming calm after midnight.
Sunny on Thursday Thursday... Sunny, with a high near 63. Calm wind becoming southeast 5 to 9 mph in the morning.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 49. Southeast wind 7 to 13 mph becoming south southwest after midnight. Winds could gust as high as 22 mph.
70% chance of thunderstorms Friday Friday... Showers likely, with thunderstorms also possible after 3pm. Partly sunny, with a high near 70. South southwest wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 42. West wind around 6 mph becoming calm in the evening.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 66. Calm wind becoming southwest 5 to 8 mph in the morning.
20% chance of rain Saturday Night Saturday Night... A chance of showers. Partly cloudy, with a low around 38. South southwest wind 8 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 48. Northwest wind 11 to 16 mph, with gusts as high as 24 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 25. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunny on Monday Monday... Sunny, with a high near 44. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 25. West wind 3 to 6 mph.
Mostly Sunny on Veterans Day Veterans Day... Mostly sunny, with a high near 51. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Current Radar Image


Sun Almanac for Harper, Illinois
Sunrise: 06:23 AM
Sunset: 4:48 PM
Civil Sunrise:05:55 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 05:24 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 04:53 AM
Astro Sunset: 6:18 PM
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