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Sioux City, IA Weather Forecast | 10 Days

Updated: Sat Oct 24th 2026 11:30 PM CDT

Sat, 10-24

71°F
53°F

Sun, 10-25

66°F
51°F

Mon, 10-26

63°F
48°F

Tue, 10-27

69°F
46°F

Wed, 10-28

75°F
52°F

Thu, 10-29

64°F
50°F

Fri, 10-30

69°F
56°F

Sat, 10-31

66°F
59°F

Sun, 11-1

67°F
58°F

Mon, 11-2

70°F
54°F

Overcast

Sat 10-24

HI: 71°F
LO: 53°F

Rain: 36% | est. 0.02in
Snow: 0%

Wind
17.7 mph
Humidity
55% avg.

UV Index
3.3
Air Quality

Sunrise
07:49 AM
Sunset
06:30 PM

Moonrise
05:29 PM
Moonset
06:11 AM
Moon Phase
Full Moon

Hourly

Overcast

Sun 10-25

Overcast with a high of 66°F and a low of 51°F. Rainfall expected to have a 52% chance with an estimated 0.03in. Wind will be moderate, blowing around 13mph on average and gusts of 20.1mph at 8 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 87% at 7 AM and 56% being its lowest at 3 PM. Barometric pressure is its highest of 30.39^inHg at 10 AM, a lowest point of 30.28^inHg at 3 PM with an avg 30.33^inHg.

HI: 66°F
LO: 51°F

Rain: 52% | est. 0.03in
Snow: 0%

Wind
12.3 mph
Humidity
72% avg.

UV Index
3.2
Air Quality
Good

Sunrise
07:50 AM
Sunset
06:28 PM

Moonrise
05:52 PM
Moonset
07:18 AM
Moon Phase
Full Moon

Hourly

Isolated Showers

Mon 10-26

Isolated Showers with a high of 63°F and a low of 48°F. It will likey rain, having a 82% chance of a downpour with an estimated 0.25in. Wind will be moderate, blowing around 14mph on average and gusts of 26.3mph at 8 AM. The humidity will be on the higher side, averaging about 74%, the maximum being 86% at 7 AM and 66% being its lowest at 4 PM. Barometric pressure is its highest of 30.36^inHg at 2 AM, a lowest point of 30.03^inHg at 10 PM with an avg 30.22^inHg.

HI: 63°F
LO: 48°F

Rain: 82% | est. 0.25in
Snow: 0%

Wind
13.9 mph
Humidity
74% avg.

UV Index
1.7
Air Quality
Good

Sunrise
07:51 AM
Sunset
06:27 PM

Moonrise
06:20 PM
Moonset
08:28 AM
Moon Phase
Full Moon

Hourly

Overcast

Tue 10-27

Overcast with a high of 69°F and a low of 46°F. Rainfall expected to have a 60% chance with an estimated 0.06in. Wind will be moderate, blowing around 16mph on average and gusts of 32.9mph at 2 AM. The humidity will be on the higher side, averaging about 71%, the maximum being 87% at 7 AM and 58% being its lowest at 3 PM. Barometric pressure is its highest of 30.11^inHg at 10 AM, a lowest point of 29.95^inHg at 7 PM with an avg 30.03^inHg.

HI: 69°F
LO: 46°F

Rain: 60% | est. 0.06in
Snow: 0%

Wind
15.9 mph
Humidity
71% avg.

UV Index
0.8
Air Quality
Good

Sunrise
07:53 AM
Sunset
06:25 PM

Moonrise
06:54 PM
Moonset
09:41 AM
Moon Phase
Waning Gibbous

Hourly

Isolated Showers

Wed 10-28

Isolated Showers with a high of 75°F and a low of 52°F. There's a moderate 45% chance of rainfall with an estimated 0.03in. Wind will be moderate, blowing around 12mph on average and gusts of 26.8mph at 12 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 87% at 7 AM and 49% being its lowest at 4 PM. Barometric pressure is its highest of 30.07^inHg at 10 AM, a lowest point of 29.9^inHg at 6 PM with an avg 29.98^inHg.

HI: 75°F
LO: 52°F

Rain: 45% | est. 0.03in
Snow: 0%

Wind
11.9 mph
Humidity
68% avg.

UV Index
3
Air Quality
Good

Sunrise
07:54 AM
Sunset
06:24 PM

Moonrise
07:38 PM
Moonset
10:53 AM
Moon Phase
Waning Gibbous

Hourly

Isolated Showers

Thu 10-29

Isolated Showers with a high of 64°F and a low of 50°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Wind will be moderate, blowing around 13mph on average and gusts of 22.9mph at 9 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 86% at 3 AM and 47% being its lowest at 3 PM. Barometric pressure is its highest of 30.19^inHg at 10 AM, a lowest point of 30^inHg at 12 AM with an avg 30.1^inHg.

HI: 64°F
LO: 50°F

Rain: 36% | est. 0.02in
Snow: 0%

Wind
12.1 mph
Humidity
63% avg.

UV Index
5
Air Quality
Good

Sunrise
07:55 AM
Sunset
06:23 PM

Moonrise
08:33 PM
Moonset
12:01 PM
Moon Phase
Waning Gibbous

Hourly

Light Drizzle

Fri 10-30

Light Drizzle with a high of 69°F and a low of 56°F. It will likey rain, having a 85% chance of a downpour with an estimated 0.22in. Wind will be moderate, blowing around 13mph on average and gusts of 28mph at 7 PM. High humidity with average of 84% is anticipated, the maximum being 98% at 7 AM and 74% being its lowest at 12 AM. Barometric pressure is its highest of 30.08^inHg at 12 AM, a lowest point of 29.93^inHg at 6 PM with an avg 29.99^inHg.

HI: 69°F
LO: 56°F

Rain: 85% | est. 0.22in
Snow: 0%

Wind
12.3 mph
Humidity
84% avg.

UV Index
5
Air Quality
TBA

Sunrise
07:56 AM
Sunset
06:21 PM

Moonrise
09:40 PM
Moonset
01:01 PM
Moon Phase
Waning Gibbous

Hourly

Isolated Showers

Sat 10-31

Isolated Showers with a high of 66°F and a low of 59°F. It will likey rain, having a 83% chance of a downpour with an estimated 0.15in. Wind will be moderate, blowing around 14mph on average and gusts of 24.8mph at 1 PM. High humidity with average of 84% is anticipated, the maximum being 93% at 7 AM and 68% being its lowest at 1 PM. Barometric pressure is its highest of 29.96^inHg at 12 AM, a lowest point of 29.84^inHg at 11 PM with an avg 29.91^inHg.

HI: 66°F
LO: 59°F

Rain: 83% | est. 0.15in
Snow: 0%

Wind
13.6 mph
Humidity
84% avg.

UV Index
4
Air Quality
TBA

Sunrise
07:58 AM
Sunset
06:20 PM

Moonrise
10:54 PM
Moonset
01:50 PM
Moon Phase
Last Quarter

Hourly

Isolated Showers

Sun 11-1

Isolated Showers with a high of 67°F and a low of 58°F. It will likey rain, having a 79% chance of a downpour with an estimated 0.13in. Winds will be light at 7mph and gusts of 20.6mph at 12 AM. High humidity with average of 85% is anticipated, the maximum being 96% at 6 AM and 73% being its lowest at 3 PM. Barometric pressure is its highest of 29.9^inHg at 9 PM, a lowest point of 29.84^inHg at 1 AM with an avg 29.88^inHg.

HI: 67°F
LO: 58°F

Rain: 79% | est. 0.13in
Snow: 0%

Wind
6.5 mph
Humidity
85% avg.

UV Index
4
Air Quality
TBA

Sunrise
06:59 AM
Sunset
05:19 PM

Moonrise
Does not rise today
Moonset
01:28 PM
Moon Phase
Last Quarter

Hourly

Isolated Showers

Mon 11-2

Isolated Showers with a high of 70°F and a low of 54°F. Rainfall expected to have a 73% chance with an estimated 0.27in. Wind will be moderate, blowing around 14mph on average and gusts of 29.8mph at 6 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 92% at 6 AM and 53% being its lowest at 11 PM. Barometric pressure is its highest of 30.01^inHg at 11 PM, a lowest point of 29.75^inHg at 12 PM with an avg 29.84^inHg.

HI: 70°F
LO: 54°F

Rain: 73% | est. 0.27in
Snow: 0%

Wind
13.2 mph
Humidity
71% avg.

UV Index
5
Air Quality
TBA

Sunrise
07:00 AM
Sunset
05:17 PM

Moonrise
Does not rise today
Moonset
02:00 PM
Moon Phase
Last Quarter

Hourly

This 10-Day weather forecast is relevant for ZIP codes from 51101 through 51111, accurately covering all areas within Sioux City, IA.

Currently

	55°F	30.31 inHg. Barometer 67% Humidity NNW 15.8 mph Wind
Isolated Showers

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National Outlook

Heavy Rain and Thunderstorm Warnings for the Central and Southern Regions 10-24 to 10-26

Sat Oct 24th 2026, 7:00am PDT

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Rain and Snow for the Pacific Northwest - 10-27-2026 to 10-31-2026

Extended Forecast
Sat Oct 24th 2026, 7:01am PDT

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