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Harpers Ferry Weather Warning NWS WEATHER ALERT FOR THE HARPERS FERRY, IA AREA - Issued: 421 PM CDT Fri Aug 7 2026 Harpers Ferry Weather Warning

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Harpers Ferry, IA Weather - Hour by Hour Forecast

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Harpers Ferry, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Light Rain. Temperature is 76°F24°C, dew point 70°F21°C, humidity 82%. Wind direction is NNW at 8 mph13 km/h with visibility of 10 mi16 km. Barometric pressure is 30.06 in1017 mb.
Tonight - Mostly cloudy with showers with a chance of thunderstorms this evening, then partly cloudy after midnight. Lows in the upper 50s. .. Full Forecast
Saturday - Mostly sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph... Full Forecast

Harpers Ferry Hourly Weather

24 Hour Forecast Scroll
Fri, Aug 07
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Harpers Ferry, IA Hourly Weather - Cloudy - 5:00 PM Harpers Ferry, IA Hourly Weather - Cloudy - 6:00 PM Harpers Ferry, IA Hourly Weather - Cloudy - 7:00 PM Harpers Ferry, IA Hourly Weather - Cloudy - 8:00 PM Harpers Ferry, IA Hourly Weather - Mostly Cloudy - 9:00 PM Harpers Ferry, IA Hourly Weather - Mostly Cloudy - 10:00 PM Harpers Ferry, IA Hourly Weather - Mostly Cloudy - 11:00 PM Harpers Ferry, IA Hourly Weather - Clear - 12:00 AM Harpers Ferry, IA Hourly Weather - Clear - 1:00 AM Harpers Ferry, IA Hourly Weather - Clear - 2:00 AM Harpers Ferry, IA Hourly Weather - Clear - 3:00 AM Harpers Ferry, IA Hourly Weather - Clear - 4:00 AM Harpers Ferry, IA Hourly Weather - Clear - 5:00 AM Harpers Ferry, IA Hourly Weather - Clear - 6:00 AM Harpers Ferry, IA Hourly Weather - Clear - 7:00 AM Harpers Ferry, IA Hourly Weather - Clear - 8:00 AM Harpers Ferry, IA Hourly Weather - Clear - 9:00 AM Harpers Ferry, IA Hourly Weather - Clear - 10:00 AM Harpers Ferry, IA Hourly Weather - Clear - 11:00 AM Harpers Ferry, IA Hourly Weather - Clear - 12:00 PM Harpers Ferry, IA Hourly Weather - Clear - 1:00 PM Harpers Ferry, IA Hourly Weather - Clear - 2:00 PM Harpers Ferry, IA Hourly Weather - Clear - 3:00 PM Harpers Ferry, IA Hourly Weather - Clear - 4:00 PM
Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
80°F27°C 79°F26°C 77°F25°C 75°F24°C 73°F23°C 71°F22°C 69°F21°C 68°F20°C 66°F19°C 65°F18°C 64°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 65°F18°C 69°F21°C 73°F23°C 76°F24°C 78°F26°C 81°F27°C 82°F28°C 82°F28°C 83°F28°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - - - - - - - - - -
34% 34% 34% 38% 38% 38% 38% 38% 38% 5% 5% 5% 5% 5% 5% 1% 1% 1% 1% 1% 1% 0% 0% 0%
64°F18°C 65°F18°C 65°F18°C 65°F18°C 66°F19°C 66°F19°C 65°F18°C 64°F18°C 63°F17°C 62°F17°C 61°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 56°F13°C 54°F12°C 52°F11°C 51°F11°C 51°F11°C 50°F10°C
58% 62% 67% 71% 79% 84% 87% 87% 90% 90% 90% 90% 90% 90% 90% 78% 68% 59% 50% 44% 37% 34% 34% 32%
SSE SW SW SW SW SW SSW W WNW WNW NW NW NW NW NW NW NNW NNW NNW NNW NNW W SW S
7 mph 6 mph 6 mph 6 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 5 mph 5 mph 5 mph 4 mph 4 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 5 mi8 km .75 mi1 km .25 mi0 km .75 mi1 km 5 mi8 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KPDC model statistics.

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Prob Precip % = Probability of Precipitation.

Harpers Ferry 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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