Sioux City, IA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sioux City, IA in one place.
Mostly sunny, with a high near 83. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
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
Daily Outlook
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 sourceExtended Forecast
Clear, with a low around 66. South wind 10 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 84. South wind 15 to 25 mph, with gusts as high as 35 mph.
Mostly clear, with a low around 65. South wind 15 to 20 mph, with gusts as high as 35 mph.
Sunny, with a high near 81.
Partly cloudy, with a low around 57.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 48.
Mostly sunny, with a high near 61.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 48.
A chance of rain showers. Mostly sunny, with a high near 65. Chance of precipitation is 40%.
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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sioux City.