New York, NY 71° Los Angeles, CA 76° 🌤️ Chicago, IL 🌤️ Houston, TX Miami, FL 85° Phoenix, AZ 97° Seattle, WA 62° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 64°
WeatherLiveIowaSioux City

Sioux City, IA Weather (51101)

ZIP codes: 51101 · 51105 · 51103 · 51104
Current WeatherSioux City · 1:00 AM CDT
66° | 46°
65°F
Feels like 44°
Sunny
WindNW 41 mph · Gusts 63 mph
Precip78% · 0.13 in
Humidity79% · Dew point 58°
UV index8 High
Air Quality26 Good
Pressure29.83 inHg
Visibility6 mi
Sunrise / Sunset6:34 AM · 8:24 PM · 13h 50m

Weather map — Sioux City

Full radar →
Now
65°
9%
41 mph
02:00
64°
20%
41 mph
03:00
63°
18%
43 mph
04:00
62°
12%
36 mph
05:00
62°
9%
33 mph
06:00
61°
9%
29 mph
07:00
51°
0.07 in
23 mph
08:00
51°
58%
21 mph
09:00
49°
60%
17 mph
10:00
46°
34%
12 mph
11:00
47°
44%
10 mph
12:00
46°
48%
9 mph
13:00
46°
45%
6 mph
14:00
46°
28%
8 mph
15:00
46°
36%
6 mph
16:00
46°
29%
5 mph
17:00
46°
28%
2 mph
18:00
46°
26%
5 mph
19:00
47°
28%
2 mph
20:00
47°
25%
5 mph
21:00
47°
25%
7 mph
22:00
46°
26%
8 mph
23:00
47°
27%
11 mph
00:00
46°
27%
10 mph

Today · Mon 8/17

High 66°
78% / 0.13 in

Showers. Winds NW at 43 mph.

Overnight · Mon 8/17

Low 49°
20% / –

Mostly cloudy. Winds NW at 41 mph.

Tomorrow · Tue 8/18

49° | 44°
91% / 0.55 in

Showers. Winds E at 28 mph.

7-day trend

Sioux City · temperature + precipitation

10-day forecast

Updated 1:00 AM

Details & indices

Wind
41 mph NW
Gusts 63 mph
Humidity
79%
Dew point 58°
Pressure
29.83 inHg
Falling
UV index
8 — High
High today
Air Quality
Good
AQI 26 · US EPA
Allergy
High
Ragweed
Visibility
6 mi
Reduced
Allergy — Sioux City

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
High

Sun & moon

Sunrise6:34 AM
Sunset8:24 PM
Length of day13h 50m
Moonrise12:13 PM
Moonset10:30 PM
Next full moonAug 27 Sturgeon Moon
Latitude42.5000°N
Longitude-96.4003°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Poor
Fire up the grill
Running
Poor
Lace up outside
Patio
Poor
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Des Moines
Data sources · Monday, August 17
Where the Sioux City forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 42.5000°N, -96.4003°.
NBM + global weather models
Updated: 1:00 AM
ZIP codes in Sioux City
📮
51024
Sioux City
📮
51062
Sioux City
📮
51101
Sioux City
📮
51102
Sioux City
📮
51103
Sioux City
📮
51104
Sioux City
📮
51105
Sioux City
📮
51106
Sioux City
📮
51108
Sioux City
📮
51109
North Sioux City
📮
51111
Sergeant Bluff
Weather in Sioux City
The 10-day span for Sioux City runs from a high near 66° on Monday down to 43° overnight on Tuesday. Roughly 1.8 in of rain falls over the period, with Tuesday the most likely wet day (91%). Expect a blustery spell — gusts near 65 mph on Monday. The NWS alert board for this area is currently clear. Right now Sioux City is about 14° cooler than nearby Sioux Falls. Longer view: continental plains — big swings and a spring severe-storm season.
Sioux City, IA · Elev 1,201 ft · 42.50°N, 96.40°W · Iowa · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:00 AM