Weather Alert
Sioux City Weather Warning NWS WEATHER ALERT FOR THE SIOUX CITY, IA AREA - Issued: 403 AM CDT Mon Aug 24 2026 Sioux City Weather Warning

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Sioux City, IA Weather - Hour by Hour Forecast

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Sioux City, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 66°F19°C, dew point 62°F17°C, humidity 87%. Wind direction is ESE at 9 mph14 km/h with visibility of 10 mi16 km. Barometric pressure is 30.03 in1017 mb.
Today - Mostly cloudy with showers likely with a slight chance of thunderstorms this morning, then partly sunny this afternoon. Highs in t.. Full Forecast
Tonight - Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph... Full Forecast

Sioux City Hourly Weather

24 Hour Forecast Scroll
Mon, Aug 24
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Sioux City, IA Hourly Weather - Cloudy - 9:00 AM Sioux City, IA Hourly Weather - Cloudy - 10:00 AM Sioux City, IA Hourly Weather - Cloudy - 11:00 AM Sioux City, IA Hourly Weather - Mostly Cloudy - 12:00 PM Sioux City, IA Hourly Weather - Mostly Cloudy - 1:00 PM Sioux City, IA Hourly Weather - Mostly Cloudy - 2:00 PM Sioux City, IA Hourly Weather - Mostly Cloudy - 3:00 PM Sioux City, IA Hourly Weather - Mostly Cloudy - 4:00 PM Sioux City, IA Hourly Weather - Mostly Cloudy - 5:00 PM Sioux City, IA Hourly Weather - Mostly Clear - 6:00 PM Sioux City, IA Hourly Weather - Mostly Clear - 7:00 PM Sioux City, IA Hourly Weather - Mostly Clear - 8:00 PM Sioux City, IA Hourly Weather - Clear - 9:00 PM Sioux City, IA Hourly Weather - Clear - 10:00 PM Sioux City, IA Hourly Weather - Clear - 11:00 PM Sioux City, IA Hourly Weather - Mostly Clear - 12:00 AM Sioux City, IA Hourly Weather - Mostly Clear - 1:00 AM Sioux City, IA Hourly Weather - Mostly Clear - 2:00 AM Sioux City, IA Hourly Weather - Mostly Cloudy - 3:00 AM Sioux City, IA Hourly Weather - Mostly Cloudy - 4:00 AM Sioux City, IA Hourly Weather - Mostly Cloudy - 5:00 AM Sioux City, IA Hourly Weather - Partly Cloudy - 6:00 AM Sioux City, IA Hourly Weather - Partly Cloudy - 7:00 AM Sioux City, IA Hourly Weather - Partly Cloudy - 8:00 AM
Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
66°F19°C 67°F19°C 70°F21°C 72°F22°C 75°F24°C 77°F25°C 78°F26°C 80°F27°C 80°F27°C 80°F27°C 80°F27°C 77°F25°C 74°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 64°F18°C
- - - - - - - - - - - - - - - - - Rain Rain Rain Rain Rain Rain -
20% 20% 20% 20% 20% 0% 0% 0% 0% 0% 0% 3% 3% 3% 3% 3% 3% 26% 26% 26% 26% 26% 26% 8%
64°F18°C 64°F18°C 65°F18°C 66°F19°C 67°F19°C 67°F19°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 65°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 62°F17°C
93% 90% 84% 81% 76% 71% 71% 67% 67% 67% 67% 74% 79% 87% 90% 90% 93% 93% 97% 97% 100% 97% 100% 93%
SSE SSE SSE S S S S S SSE SSE SSE SE SE SE SE SE SE SE SE SE SE SE SE SSE
7 mph 7 mph 7 mph 10 mph 10 mph 10 mph 10 mph 10 mph 10 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 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 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KSUX model statistics.

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Prob Precip % = Probability of Precipitation.

Sioux City 36 Hour Forecast

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

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