Sioux City, IA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Sioux City, IA in one place.
Mostly cloudy. Low around 64, with temperatures rising to around 69 overnight. East northeast wind around 0 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: Jul 10, 2026 7:55 AM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Sioux City, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 7:55 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Sioux City
Thursday looks like the warmest upcoming period in Sioux City at 97 degrees F.
Overnight is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph S.
The forecast from Jul 10 through Jul 16 stays mostly dry.
Forecast Details
- Last updated
- Jul 10, 2026 7:55 AM CDT
- Coverage
- 7 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
Mostly cloudy, with a high near 87. Southeast wind 0 to 5 mph.
Partly cloudy, with a low around 65. Southeast wind 0 to 5 mph.
Sunny, with a high near 89. South southeast wind 0 to 5 mph.
Clear, with a low around 67. South southeast wind around 5 mph.
Sunny, with a high near 91. South southeast wind 5 to 10 mph.
Clear, with a low around 68.
Sunny, with a high near 93.
Clear, with a low around 69.
Sunny, with a high near 94.
Mostly clear, with a low around 70.
Sunny, with a high near 95.
Mostly clear, with a low around 73.
Sunny, with a high near 97.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Mostly Cloudy
|
64°F |
0 mph
|
|
Friday
Jul 10
|
Mostly Cloudy
|
87°F |
0 to 5 mph
SE
|
|
Friday Night
Jul 10
|
Partly Cloudy
|
65°F |
0 to 5 mph
SE
|
|
Saturday
Jul 11
|
Sunny
|
89°F |
0 to 5 mph
SSE
|
|
Saturday Night
Jul 11
|
Clear
|
67°F |
5 mph
SSE
|
|
Sunday
Jul 12
|
Sunny
|
91°F |
5 to 10 mph
SSE
|
|
Sunday Night
Jul 12
|
Clear
|
68°F |
5 to 10 mph
SSE
|
|
Monday
Jul 13
|
Sunny
|
93°F |
5 to 10 mph
S
|
|
Monday Night
Jul 13
|
Clear
|
69°F |
5 to 10 mph
S
|
|
Tuesday
Jul 14
|
Sunny
|
94°F |
5 to 10 mph
S
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
5 to 10 mph
SSE
|
|
Wednesday
Jul 15
|
Sunny
|
95°F |
5 to 10 mph
S
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
73°F |
5 to 10 mph
SSE
|
|
Thursday
Jul 16
|
Sunny
|
97°F |
5 to 15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sioux City.
