Sioux County, ND Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Sioux County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny. High near 49, with temperatures falling to around 45 in the afternoon. Northwest wind 13 to 35 mph, with gusts as high as 48 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
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 14, 2026 9:51 PM CDT
- Forecast office
- BIS
- Source
- NOAA / NWS
Daily Outlook
This Week in Sioux County
Saturday looks like the warmest upcoming period in Sioux County at 68 degrees F.
Thursday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Thursday at about 13 to 35 mph NW.
The forecast from Oct 15 through Oct 21 stays mostly dry.
Forecast Details
- Last updated
- Oct 14, 2026 9:51 PM 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 cloudy. Low around 30, with temperatures rising to around 33 overnight. Northwest wind 20 to 35 mph, with gusts as high as 49 mph.
Sunny, with a high near 51. West wind 8 to 16 mph, with gusts as high as 24 mph.
Clear, with a low around 36. South wind 10 to 21 mph, with gusts as high as 30 mph.
Sunny, with a high near 68. South wind 12 to 18 mph, with gusts as high as 26 mph.
Mostly clear, with a low around 45. Southwest wind around 10 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 65. Northwest wind 9 to 16 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 38. Northeast wind 3 to 7 mph.
Sunny, with a high near 63. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 42. Southeast wind 9 to 14 mph, with gusts as high as 22 mph.
Sunny, with a high near 66. South wind around 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 45. East wind around 13 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Mostly Sunny
|
49°F |
13 to 35 mph
NW
|
|
Thursday Night
Oct 15
|
Mostly Cloudy
|
30°F |
20 to 35 mph
NW
|
|
Friday
Oct 16
|
Sunny
|
51°F |
8 to 16 mph
W
|
|
Friday Night
Oct 16
|
Clear
|
36°F |
10 to 21 mph
S
|
|
Saturday
Oct 17
|
Sunny
|
68°F |
12 to 18 mph
S
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
45°F |
10 mph
SW
|
|
Sunday
Oct 18
|
Mostly Sunny
|
65°F |
9 to 16 mph
NW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
38°F |
3 to 7 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
63°F |
7 to 15 mph
SE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
42°F |
9 to 14 mph
SE
|
|
Tuesday
Oct 20
|
Sunny
|
66°F |
15 mph
S
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
45°F |
13 mph
E
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
61°F |
10 to 14 mph
N
|
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.
