Sioux City, IA Weather Forecast

Local 7-day forecast

83°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Sioux City, IA in one place.

Friday, October 9, 2026
Wind: 5 to 15 mph SSE
Friday

Mostly sunny, with a high near 83. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Sioux City, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 8, 2026 11:53 AM CDT.

The active forecast window currently covers Oct 9 to Oct 14, 2026 for Sioux City, IA.

Page Snapshot

Page focus
city weather
Forecast window
Oct 9 to Oct 14, 2026
Latest sync
Oct 8, 2026 11:53 AM CDT
Forecast office
FSD
Source
NOAA / NWS
Next High
83°F
Friday
Next Low
66°F
Friday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
15 to 25 mph
Saturday

Daily Outlook

Today
Oct 9
Mostly Sunny
83 °F
/ 66°F
Wind 5 to 15 mph
Sat
Oct 10
Sunny
84 °F
/ 65°F
Wind 15 to 25 mph
Sun
Oct 11
Sunny
81 °F
/ 57°F
Wind 10 to 15 mph
Mon
Oct 12
Mostly Sunny
68 °F
/ 48°F
Wind 10 mph
Tue
Oct 13
Mostly Sunny
61 °F
/ 48°F
Wind 5 to 10 mph
Wed
Oct 14
Chance Rain Showers
65 °F
/ 52°F
Wind 5 to 10 mph

This Week in Sioux City

Saturday looks like the warmest upcoming period in Sioux City at 84 degrees F.

Monday Night is the coolest period ahead with temperatures near 48 degrees F.

The strongest winds are forecast for Saturday at about 15 to 25 mph S.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Oct 8, 2026 11:53 AM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
FSD
Radar station
KFSD

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Friday Night
Oct 9
66°F
Clear
10 to 15 mph S

Clear, with a low around 66. South wind 10 to 15 mph, with gusts as high as 30 mph.

Saturday
Oct 10
84°F
Sunny
15 to 25 mph S

Sunny, with a high near 84. South wind 15 to 25 mph, with gusts as high as 35 mph.

Saturday Night
Oct 10
65°F
Mostly Clear
15 to 20 mph S

Mostly clear, with a low around 65. South wind 15 to 20 mph, with gusts as high as 35 mph.

Sunday
Oct 11
81°F
Sunny
10 to 15 mph S

Sunny, with a high near 81.

Sunday Night
Oct 11
57°F
Partly Cloudy
10 mph WNW

Partly cloudy, with a low around 57.

Columbus Day
Oct 12
68°F
Mostly Sunny
10 mph NNW

Mostly sunny, with a high near 68.

Monday Night
Oct 12
48°F
Partly Cloudy
10 mph NNW

Partly cloudy, with a low around 48.

Tuesday
Oct 13
61°F
Mostly Sunny
5 to 10 mph N

Mostly sunny, with a high near 61.

Tuesday Night
Oct 13
48°F
Partly Cloudy then Slight Chance Rain Showers
0 to 5 mph E

A slight chance of rain showers after 1am. Partly cloudy, with a low around 48.

Wednesday
Oct 14
65°F
Chance Rain Showers
5 to 10 mph SSE

A chance of rain showers. Mostly sunny, with a high near 65. Chance of precipitation is 40%.

Wednesday Night
Oct 14
52°F
Chance Rain Showers
5 to 10 mph SSE

A chance of rain showers. Partly cloudy, with a low around 52. Chance of precipitation is 40%.

Detailed Forecast

Period Conditions Temp Wind
Friday
Oct 9
Mostly Sunny
83°F
5 to 15 mph
SSE
Friday Night
Oct 9
Clear
66°F
10 to 15 mph
S
Saturday
Oct 10
Sunny
84°F
15 to 25 mph
S
Saturday Night
Oct 10
Mostly Clear
65°F
15 to 20 mph
S
Sunday
Oct 11
Sunny
81°F
10 to 15 mph
S
Sunday Night
Oct 11
Partly Cloudy
57°F
10 mph
WNW
Columbus Day
Oct 12
Mostly Sunny
68°F
10 mph
NNW
Monday Night
Oct 12
Partly Cloudy
48°F
10 mph
NNW
Tuesday
Oct 13
Mostly Sunny
61°F
5 to 10 mph
N
Tuesday Night
Oct 13
Partly Cloudy then Slight Chance Rain Showers
48°F
0 to 5 mph
E
Wednesday
Oct 14
Chance Rain Showers
65°F
5 to 10 mph
SSE
Wednesday Night
Oct 14
Chance Rain Showers
52°F
5 to 10 mph
SSE
Woodbury County Courthouse setting from WNW 1
Woodbury County Courthouse setting from WNW 1 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.