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Harper Weather Warning NWS WEATHER ALERT FOR THE HARPER, IA AREA - Issued: 347 AM CDT Tue Sep 15 2026 Harper Weather Warning

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Harper, IA Weather - Hour by Hour Forecast

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Harper, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Light Rain. Temperature is 68°F20°C, dew point 68°F20°C, humidity 100%. Wind direction is N at 0 mph0 km/h with visibility of 1 3/4 mi2 km. Barometric pressure is 29.98 in1015 mb.
Today - Showers with a chance of thunderstorms early this morning, then showers likely with a slight chance of thunderstorms this afternoo.. Full Forecast
Tonight - Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Cooler with lows in the upper 50s. Northeast .. Full Forecast

Harper Hourly Weather

24 Hour Forecast Scroll
Tue, Sep 15
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Harper, IA Hourly Weather - Cloudy - 6:00 AM Harper, IA Hourly Weather - Cloudy - 7:00 AM Harper, IA Hourly Weather - Cloudy - 8:00 AM Harper, IA Hourly Weather - Cloudy - 9:00 AM Harper, IA Hourly Weather - Cloudy - 10:00 AM Harper, IA Hourly Weather - Cloudy - 11:00 AM Harper, IA Hourly Weather - Cloudy - 12:00 PM Harper, IA Hourly Weather - Cloudy - 1:00 PM Harper, IA Hourly Weather - Cloudy - 2:00 PM Harper, IA Hourly Weather - Cloudy - 3:00 PM Harper, IA Hourly Weather - Cloudy - 4:00 PM Harper, IA Hourly Weather - Cloudy - 5:00 PM Harper, IA Hourly Weather - Cloudy - 6:00 PM Harper, IA Hourly Weather - Cloudy - 7:00 PM Harper, IA Hourly Weather - Cloudy - 8:00 PM Harper, IA Hourly Weather - Cloudy - 9:00 PM Harper, IA Hourly Weather - Cloudy - 10:00 PM Harper, IA Hourly Weather - Cloudy - 11:00 PM Harper, IA Hourly Weather - Cloudy - 12:00 AM Harper, IA Hourly Weather - Cloudy - 1:00 AM Harper, IA Hourly Weather - Cloudy - 2:00 AM Harper, IA Hourly Weather - Cloudy - 3:00 AM Harper, IA Hourly Weather - Cloudy - 4:00 AM Harper, IA Hourly Weather - Cloudy - 5:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
70°F21°C 70°F21°C 72°F22°C 75°F24°C 77°F25°C 78°F26°C 80°F27°C 81°F27°C 80°F27°C 80°F27°C 79°F26°C 77°F25°C 75°F24°C 73°F23°C 70°F21°C 68°F20°C 65°F18°C 64°F18°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C
Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
62% 62% 52% 52% 52% 52% 52% 52% 20% 20% 20% 20% 20% 20% 39% 39% 39% 39% 39% 39% 41% 41% 41% 41%
66°F19°C 66°F19°C 67°F19°C 67°F19°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 59°F15°C
87% 87% 84% 76% 74% 71% 65% 63% 62% 62% 62% 67% 69% 73% 79% 81% 87% 90% 93% 97% 97% 96% 96% 96%
S SSE SW SSW W WNW NW NNW NNW NNW NNW NNW NNW N SSW SE N NNE NNE NE NE NE NE NE
7 mph 7 mph 7 mph 9 mph 9 mph 9 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph
6 mi10 km 6 mi10 km 6 mi10 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 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 5 mi8 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KAWG model statistics.

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Prob Precip % = Probability of Precipitation.

Harper 36 Hour Forecast

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

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