Sioux County, IA Weather Forecast
County weather hub
Mostly Sunny then Chance Showers And Thunderstorms
Compare major city weather across Sioux County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
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
- Apr 13 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 12:07 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.
Thursday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Thursday at about 10 to 20 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 12:07 PM CDT
- Coverage
- 4 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. Partly cloudy, with a low around 52. Chance of precipitation is 40%.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 46. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 70. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 48.
A slight chance of rain showers. Sunny, with a high near 75.
A chance of rain showers. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Mostly Sunny then Chance Showers And Thunderstorms
|
82°F |
5 to 15 mph
SSE
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
52°F |
10 to 15 mph
ENE
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
78°F |
10 to 15 mph
S
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
46°F |
10 to 15 mph
WNW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
70°F |
10 to 15 mph
W
|
|
Wednesday Night
Apr 15
|
Slight Chance Showers And Thunderstorms
|
48°F |
10 mph
S
|
|
Thursday
Apr 16
|
Slight Chance Rain Showers
|
75°F |
10 to 20 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Rain Showers
|
42°F |
15 to 20 mph
N
|
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.