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WeatherLive › Iowa › Sioux City

Sioux City, IA Weather (51101)

ZIP codes: 51101 · 51105 · 51103 · 51104
Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSioux City · 9:56 AM CDT
91° | 64°
72°F
Feels like 75°
Sunny
WindN 6 mph · Gusts 10 mph
Precip7% · –
Humidity87% · Dew point 68°
UV index7 High
Air Quality18 Good
Pressure30.03 inHg
Visibility6 mi
Sunrise / Sunset6:39 AM · 8:18 PM · 13h 39m

Weather map — Sioux City

Full radar →
Now
72°
12%
6 mph
10:00
74°
10%
7 mph
11:00
78°
8%
8 mph
12:00
85°
6%
5 mph
13:00
89°
3%
5 mph
14:00
84°
1%
5 mph
15:00
91°
2%
4 mph
16:00
85°
1%
6 mph
17:00
84°
1%
8 mph
18:00
83°
3%
6 mph
19:00
85°
4%
6 mph
20:00
80°
4%
7 mph
21:00
76°
7%
9 mph
22:00
74°
10%
7 mph
23:00
73°
11%
6 mph
00:00
75°
11%
1 mph
01:00
72°
20%
3 mph
02:00
68°
22%
6 mph
03:00
67°
31%
4 mph
04:00
66°
31%
4 mph
05:00
66°
25%
3 mph
06:00
65°
35%
5 mph
07:00
65°
11%
4 mph
08:00
67°
11%
6 mph

Today · Fri 8/21

High 91°
7% / –

Sunny. Winds S at 9 mph.

Tonight · Fri 8/21

Low 65°
7% / –

Sunny. Winds SW at 9 mph.

Tomorrow · Sat 8/22

85° | 65°
36% / 0.03 in

Sunny. Winds NE at 10 mph.

7-day trend

Sioux City · temperature + precipitation

10-day forecast

Updated 9:56 AM

Details & indices

Wind
6 mph N
Gusts 10 mph
Humidity
87%
Dew point 68°
Pressure
30.03 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 18 · US EPA
Allergy
Very high
Ragweed
Visibility
6 mi
Clear view
Allergy — Sioux City

🌿 Conditions right now

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

Sun & moon

Sunrise6:39 AM
Sunset8:18 PM
Length of day13h 39m
Moonrise4:29 PM
Moonset12:05 AM
Moon phase🌓 First Quarter · 64%
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
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Des Moines
—
—
Data sources · Friday, August 21
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: 9:56 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 100° on Friday down to 61° overnight on Monday. Roughly 0.76 in of rain falls over the period, with Sunday the most likely wet day (79%). Expect a blustery spell — gusts near 42 mph on Tuesday. The NWS alert board for this area is currently clear. Right now Sioux City is about 19° cooler than nearby Omaha. 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: 9:56 AM