Harpers Ferry, Iowa Weather
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Weather Forecast for Harpers Ferry, Iowa : Allamakee County
Issued: 12:29 am CDT Jun 5, 2025 Latitude: 43.2005358 Longitude: -91.1531852 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Overnight Mostly Sunny on Thursday 30% chance of thunderstorms on Friday 30% chance of thunderstorms on Saturday 50% chance of thunderstorms on Sunday 40% chance of thunderstorms on Monday Mostly Sunny on Tuesday Sunny on Wednesday
Low: 55°F High: 81°F High: 78°F High: 77°F High: 77°F High: 71°F High: 76°F High: 83°F
Low: 58°F Low: 56°F Low: 57°F Low: 52°F Low: 50°F Low: 54°F  
Mostly Clear Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Sunny
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Current Conditions at
PRAIRIE DU CHIEN - (KPDC)
54°
Clear
as of 12:55 AM CDST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
BOSCOBEL - (KOVS)
52°
Clear
as of 12:53 AM CDST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 7 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DECORAH - (KDEH)
55°
Mostly Cloudy
as of 12:55 AM CDST
Rel. Humidity: 100%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 5000ft, Broken at 6000ft
Mostly Clear on Overnight Overnight... Mostly clear, with a steady temperature around 55. Calm wind.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.
20% chance of rain Thursday Night Thursday Night... A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. Light northeast wind.
30% chance of thunderstorms Friday Friday... A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
30% chance of thunderstorms Friday Night Friday Night... A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 56. Calm wind.
30% chance of thunderstorms Saturday Saturday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.
40% chance of thunderstorms Saturday Night Saturday Night... A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Light south wind.
50% chance of thunderstorms Sunday Sunday... A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. Light and variable wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 50%.
20% chance of thunderstorms Sunday Night Sunday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
40% chance of thunderstorms Monday Monday... A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 71. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
20% chance of thunderstorms Monday Night Monday Night... A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 50. Northwest wind 5 to 7 mph becoming calm in the evening.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 76. Calm wind becoming northwest around 6 mph in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 54. Light and variable wind.
Sunny on Wednesday Wednesday... Sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Sun Almanac for Harpers Ferry, Iowa
Sunrise: 05:26 AM
Sunset: 8:41 PM
Civil Sunrise:04:51 AM
Civil Sunset: 9:16 PM
Nautical Sunrise: 04:05 AM
Nautical Sunset: 10:01 PM
Astro Sunrise: 03:10 AM
Astro Sunset: 10:56 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.