Weather Alert
Duncan Weather Warning NWS WEATHER ALERT FOR THE DUNCAN, IA AREA - Issued: 1012 AM CDT Tue Sep 15 2026 Duncan Weather Warning

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Duncan, IA Weather - Hour by Hour Forecast

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Duncan, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 62°F17°C, dew point 50°F10°C, humidity 63%. Wind direction is NNW at 8 mph13 km/h with visibility of 10 mi16 km. Barometric pressure is 30.13 in1020 mb.
Rest of Today - Mostly cloudy. Highs in the upper 60s. Northwest winds 5 to 10 mph... Full Forecast
Tonight - Mostly cloudy. Lows in the lower 50s. Northeast winds around 5 mph... Full Forecast

Duncan Hourly Weather

24 Hour Forecast Scroll
Tue, Sep 15
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Midnight
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Noon
Duncan, IA Hourly Weather - Clear - 1:00 PM Duncan, IA Hourly Weather - Clear - 2:00 PM Duncan, IA Hourly Weather - Mostly Clear - 3:00 PM Duncan, IA Hourly Weather - Mostly Clear - 4:00 PM Duncan, IA Hourly Weather - Mostly Clear - 5:00 PM Duncan, IA Hourly Weather - Mostly Cloudy - 6:00 PM Duncan, IA Hourly Weather - Mostly Cloudy - 7:00 PM Duncan, IA Hourly Weather - Mostly Cloudy - 8:00 PM Duncan, IA Hourly Weather - Mostly Clear - 9:00 PM Duncan, IA Hourly Weather - Mostly Clear - 10:00 PM Duncan, IA Hourly Weather - Mostly Clear - 11:00 PM Duncan, IA Hourly Weather - Partly Cloudy - 12:00 AM Duncan, IA Hourly Weather - Partly Cloudy - 1:00 AM Duncan, IA Hourly Weather - Partly Cloudy - 2:00 AM Duncan, IA Hourly Weather - Partly Cloudy - 3:00 AM Duncan, IA Hourly Weather - Partly Cloudy - 4:00 AM Duncan, IA Hourly Weather - Partly Cloudy - 5:00 AM Duncan, IA Hourly Weather - Cloudy - 6:00 AM Duncan, IA Hourly Weather - Cloudy - 7:00 AM Duncan, IA Hourly Weather - Cloudy - 8:00 AM Duncan, IA Hourly Weather - Mostly Cloudy - 9:00 AM Duncan, IA Hourly Weather - Mostly Cloudy - 10:00 AM Duncan, IA Hourly Weather - Mostly Cloudy - 11:00 AM Duncan, IA Hourly Weather - Cloudy - 12:00 PM
Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy
70°F21°C 71°F22°C 72°F22°C 73°F23°C 72°F22°C 71°F22°C 70°F21°C 66°F19°C 62°F17°C 58°F14°C 56°F13°C 55°F13°C 53°F12°C 52°F11°C 52°F11°C 51°F11°C 51°F11°C 51°F11°C 51°F11°C 56°F13°C 60°F16°C 65°F18°C 67°F19°C 70°F21°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 3% 3% 3% 3% 3% 3% 8% 8% 8% 8% 8%
46°F8°C 46°F8°C 46°F8°C 46°F8°C 47°F8°C 47°F8°C 48°F9°C 49°F9°C 50°F10°C 51°F11°C 51°F11°C 50°F10°C 50°F10°C 50°F10°C 49°F9°C 49°F9°C 49°F9°C 49°F9°C 49°F9°C 49°F9°C 50°F10°C 50°F10°C 49°F9°C 49°F9°C
42% 41% 39% 38% 41% 42% 46% 54% 65% 77% 83% 83% 90% 93% 89% 93% 93% 93% 93% 77% 70% 58% 52% 47%
NW NW NW NW NNW NNW NNW N N N SSW SSE NE NE NE ENE ENE ENE ENE E E E ESE ESE
8 mph 8 mph 7 mph 7 mph 7 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 8 mph 8 mph 8 mph 9 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 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
Hour (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KFXY model statistics.

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Prob Precip % = Probability of Precipitation.

Duncan 36 Hour Forecast

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

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