Sioux County, IA Weather Forecast
County weather hub
Sunny
Compare major city weather across Sioux County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 93. South southwest wind 5 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Sioux County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 6 of 6 mapped cities in Sioux County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 8:39 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Sioux County
Friday looks like the warmest upcoming period in Sioux County at 96 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Thursday Night at about 10 to 15 mph S.
The forecast from Jul 14 through Jul 18 stays mostly dry.
Forecast Details
- Last updated
- Jul 12, 2026 8:39 AM CDT
- Coverage
- 5 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 5 to 10 mph.
Sunny, with a high near 94.
Clear, with a low around 70.
Sunny, with a high near 95.
Mostly clear, with a low around 72.
Sunny, with a high near 96.
Mostly clear, with a low around 73.
Mostly sunny, with a high near 95.
Mostly clear, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
93°F |
5 to 10 mph
SSW
|
|
Tuesday Night
Jul 14
|
Clear
|
66°F |
5 to 10 mph
S
|
|
Wednesday
Jul 15
|
Sunny
|
94°F |
0 to 5 mph
S
|
|
Wednesday Night
Jul 15
|
Clear
|
70°F |
5 to 10 mph
SSE
|
|
Thursday
Jul 16
|
Sunny
|
95°F |
5 to 10 mph
S
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
10 to 15 mph
S
|
|
Friday
Jul 17
|
Sunny
|
96°F |
10 to 15 mph
S
|
|
Friday Night
Jul 17
|
Mostly Clear
|
73°F |
10 to 15 mph
SSE
|
|
Saturday
Jul 18
|
Mostly Sunny
|
95°F |
10 mph
SSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
70°F |
10 mph
ESE
|
Major City Forecasts
Live forecast snapshots for major cities across Sioux County.
Coverage
Forecast coverage currently spans 6 of 6 mapped cities in Sioux County.
Largest mapped city population in this region: 7,665.
