Hourly Weather Forecast - Sioux City, IA

12 AM
27°F
30%
5mph
NNW
30% Chance Freezing Rain
Humidity
86%
Feels like
22°F
Dew Point
24°F
1 AM
27°F
30%
5mph
NW
30% Chance Freezing Rain
Humidity
88%
Feels like
21°F
Dew Point
24°F
2 AM
27°F
10%
6mph
NNW
Cloudy
Humidity
88%
Feels like
20°F
Dew Point
24°F
3 AM
27°F
10%
8mph
NNW
Cloudy
Humidity
90%
Feels like
19°F
Dew Point
24°F
4 AM
27°F
10%
9mph
NNW
Cloudy
Humidity
89%
Feels like
18°F
Dew Point
24°F
5 AM
27°F
10%
10mph
NNW
Cloudy
Humidity
86%
Feels like
17°F
Dew Point
23°F
6 AM
26°F
10%
11mph
NNW
Cloudy
Humidity
83%
Feels like
16°F
Dew Point
22°F
7 AM
26°F
10%
11mph
NNW
Cloudy
Humidity
83%
Feels like
15°F
Dew Point
21°F
7:45 AM
8 AM
25°F
0%
12mph
NNW
Cloudy
Humidity
82%
Feels like
14°F
Dew Point
20°F
9 AM
24°F
0%
13mph
NNW
Cloudy
Humidity
81%
Feels like
12°F
Dew Point
19°F
10 AM
22°F
0%
13mph
NNW
Cloudy
Humidity
77%
Feels like
10°F
Dew Point
16°F
11 AM
21°F
0%
12mph
NNW
Cloudy
Humidity
73%
Feels like
9°F
Dew Point
14°F
12 PM
21°F
0%
12mph
NNW
Cloudy
Humidity
73%
Feels like
8°F
Dew Point
13°F
1 PM
20°F
0%
12mph
NNW
Cloudy
Humidity
72%
Feels like
8°F
Dew Point
13°F
2 PM
20°F
0%
11mph
NNW
Cloudy
Humidity
69%
Feels like
8°F
Dew Point
11°F
3 PM
19°F
0%
11mph
NNW
Cloudy
Humidity
69%
Feels like
7°F
Dew Point
10°F
4 PM
18°F
10%
10mph
NNW
Cloudy
Humidity
68%
Feels like
6°F
Dew Point
9°F
4:52 PM
5 PM
16°F
10%
9mph
NNW
Cloudy
Humidity
68%
Feels like
5°F
Dew Point
8°F
6 PM
15°F
30%
8mph
NNW
30% Chance of Flurries
Humidity
71%
Feels like
4°F
Dew Point
7°F
7 PM
13°F
30%
7mph
NNW
30% Chance of Snow
Humidity
70%
Feels like
3°F
Dew Point
6°F
8 PM
12°F
30%
7mph
NNW
30% Chance of Snow
Humidity
69%
Feels like
2°F
Dew Point
4°F
9 PM
12°F
30%
6mph
NNW
30% Chance of Snow
Humidity
68%
Feels like
2°F
Dew Point
4°F
10 PM
12°F
30%
5mph
N
30% Chance of Snow
Humidity
68%
Feels like
3°F
Dew Point
3°F
11 PM
12°F
30%
4mph
N
30% Chance of Flurries
Humidity
68%
Feels like
4°F
Dew Point
3°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide