Sioux County, IA Weather Forecast
County weather hub
Showers And Thunderstorms Likely
Compare major city weather across Sioux County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms likely. Mostly cloudy, with a high near 77. Southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
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
- May 30 to Jun 3, 2026
- Latest sync
- May 28, 2026 7:01 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Sioux County
Monday looks like the warmest upcoming period in Sioux County at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph SE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 7:01 PM 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
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 56. Southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Showers And Thunderstorms Likely
|
77°F |
15 to 20 mph
SE
|
|
Saturday Night
May 30
|
Chance Showers And Thunderstorms
|
56°F |
15 to 20 mph
SE
|
|
Sunday
May 31
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
79°F |
15 mph
SE
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
57°F |
5 to 15 mph
SE
|
|
Monday
Jun 1
|
Chance Showers And Thunderstorms
|
82°F |
5 to 10 mph
SE
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms
|
55°F |
5 to 10 mph
ESE
|
|
Tuesday
Jun 2
|
Slight Chance Showers And Thunderstorms
|
82°F |
5 to 10 mph
SE
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
55°F |
5 to 10 mph
SE
|
|
Wednesday
Jun 3
|
Chance Showers And Thunderstorms
|
81°F |
5 to 15 mph
SSE
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms
|
56°F |
10 to 15 mph
SSE
|
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.
