Sioux County, ND Weather Forecast
County weather hub
Mostly Cloudy
Compare major city weather across Sioux County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly cloudy. High near 36, with temperatures falling to around 34 in the afternoon. Northwest wind 22 to 29 mph, with gusts as high as 40 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 0 of 0 mapped cities in Sioux County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 17 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 11:58 AM CDT
- Forecast office
- BIS
- Source
- NOAA / NWS
Daily Outlook
This Week in Sioux County
Wednesday looks like the warmest upcoming period in Sioux County at 79 degrees F.
Tonight is the coolest period ahead with temperatures near 20 degrees F.
The strongest winds are forecast for Today at about 22 to 29 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 11:58 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- BIS
- Radar station
- KBIS
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 20. Northwest wind 15 to 28 mph, with gusts as high as 39 mph.
Mostly sunny, with a high near 44. Northwest wind 16 to 22 mph, with gusts as high as 32 mph.
Partly cloudy, with a low around 25. West wind 7 to 21 mph, with gusts as high as 30 mph.
Sunny, with a high near 51. Northeast wind 7 to 10 mph.
Mostly clear, with a low around 34. Southeast wind 12 to 18 mph, with gusts as high as 28 mph.
Mostly sunny, with a high near 71. Southwest wind 15 to 22 mph, with gusts as high as 28 mph.
Mostly clear, with a low around 38. North wind 9 to 14 mph, with gusts as high as 21 mph.
Sunny, with a high near 71. East wind 8 to 15 mph, with gusts as high as 22 mph.
Mostly clear, with a low around 48. Southeast wind around 17 mph, with gusts as high as 24 mph.
Mostly sunny, with a high near 79. Southeast wind 15 to 21 mph, with gusts as high as 29 mph.
A chance of rain after 7pm. Mostly cloudy, with a low around 52. Southeast wind around 20 mph, with gusts as high as 28 mph.
A chance of rain. Partly sunny, with a high near 67. South wind 18 to 24 mph, with gusts as high as 32 mph.
A chance of rain. Mostly cloudy, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 17
|
Mostly Cloudy
|
36°F |
22 to 29 mph
NW
|
|
Tonight
Apr 17
|
Mostly Clear
|
20°F |
15 to 28 mph
NW
|
|
Saturday
Apr 18
|
Mostly Sunny
|
44°F |
16 to 22 mph
NW
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
25°F |
7 to 21 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
51°F |
7 to 10 mph
NE
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
34°F |
12 to 18 mph
SE
|
|
Monday
Apr 20
|
Mostly Sunny
|
71°F |
15 to 22 mph
SW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
38°F |
9 to 14 mph
N
|
|
Tuesday
Apr 21
|
Sunny
|
71°F |
8 to 15 mph
E
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
48°F |
17 mph
SE
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
79°F |
15 to 21 mph
SE
|
|
Wednesday Night
Apr 22
|
Chance Light Rain
|
52°F |
20 mph
SE
|
|
Thursday
Apr 23
|
Chance Light Rain
|
67°F |
18 to 24 mph
S
|
|
Thursday Night
Apr 23
|
Chance Light Rain
|
39°F |
23 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sioux County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Sioux County.