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Sioux City, IA weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Sioux City, IA. Always follow local warnings and emergency instructions.

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Weather status

No dangerous weather alerts for Sioux City, IA

Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.

Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes

Live Doppler radar

Animated Multi-Radar/Multi-Sensor reflectivity from the National Weather Service’s network of Doppler radars. Search a U.S. city, ZIP code, or street address to center the map on local weather, then zoom to neighborhood street detail.

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Low rain chance for the next 6 hours

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What’s next

Hourly forecast

⌖ Sioux City, IA

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Sioux City, IA. Forecasts and alerts update from NOAA and the National Weather Service.

48°Mostly Cloudy6% rain
49°Mostly Cloudy9% rain
48°Mostly Cloudy8% rain
49°Mostly Cloudy11% rain
48°Mostly Cloudy12% rain
47°Cloudy12% rain
48°Cloudy10% rain
48°Slight Chance Rain Showers18% rain

Next 24 hours

Rain Timeline

Highest chance 54%

Most likely around 6 PM, 7 PM, 8 PM, 9 PM. Expected type: Rain.

6%None
9%None
8%None
11%None
12%None
12%None
10%None
18%Rain
24%Rain
14%None
11%None
20%Rain
24%Rain
26%Rain
30%Rain
31%Rain
40%Rain
46%Rain
53%Rain
54%Rain
42%Rain
36%Rain
48%Rain
49%Rain

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

55°49°

Chance Rain Showers

Precipitation
54%
Wind
ESE 5 to 10 mph
Sunrise
7:57 AM
Sunset
6:23 PM

Sat

62°52°

Chance Rain Showers

Precipitation
34%
Wind
SSE 5 to 10 mph
Sunrise
7:59 AM
Sunset
6:21 PM

Sun

63°55°

Mostly Cloudy

Precipitation
75%
Wind
SSE 5 to 10 mph
Sunrise
7:00 AM
Sunset
5:20 PM

Mon

66°51°

Showers And Thunderstorms

Precipitation
99%
Wind
SSE 15 mph
Sunrise
7:01 AM
Sunset
5:19 PM

Tue

58°44°

Rain Showers Likely

Precipitation
62%
Wind
NW 15 mph
Sunrise
7:02 AM
Sunset
5:18 PM

Wed

55°39°

Chance Rain Showers

Precipitation
26%
Wind
NW 5 to 15 mph
Sunrise
7:04 AM
Sunset
5:16 PM

Thu

53°Low not available yet

Slight Chance Rain Showers

Precipitation
22%
Wind
NNW 5 mph
Sunrise
7:05 AM
Sunset
5:15 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel54°F
Good conditions for walking

Conditions look reasonable, but stay alert for quick weather changes.

WindE6 mph
Best walk timeBetter weather window: 11 AM–1 PM

Walking: 13% average rain chance, near 53°F, with winds near 10 mph.

Official EPA AirNowLocal air qualitySioux City, IA
View AQI +
More weather details
Wind gustsNot reported
Rain now6%next hour
Humidity62%current
Daily peak UV forecastChecking…EPA daily maximum · not a current reading

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure30.22 in
Visibility10.0 mi
Peak rain chance54%
Dew point41°F
Active alertsNone

Official risk outlooks

These national tools add expert storm, heavy-rain and flooding context to your local forecast.

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NOAA National Hurricane Center updates, outlooks, and storm resources in one place.