Sioux County, ND Weather Forecast
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Slight Chance Rain Showers then Partly Cloudy
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A slight chance of rain showers before 11pm. Partly cloudy, with a low around 70. North wind 5 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
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
- Jul 16 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 12:24 AM CDT
- Forecast office
- BIS
- Source
- NOAA / NWS
Daily Outlook
This Week in Sioux County
Sunday looks like the warmest upcoming period in Sioux County at 97 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Monday at about 10 to 24 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 12:24 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
Sunny, with a high near 91. North wind 14 to 17 mph, with gusts as high as 24 mph.
Mostly clear, with a low around 64. Northeast wind 8 to 14 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 89. East wind 7 to 12 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Southeast wind 12 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 97. Southwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Partly cloudy, with a low around 67. Northwest wind around 10 mph.
Sunny, with a high near 92. North wind 10 to 24 mph, with gusts as high as 36 mph.
Mostly clear, with a low around 62. North wind 13 to 24 mph, with gusts as high as 35 mph.
Mostly sunny, with a high near 83. North wind around 14 mph, with gusts as high as 22 mph.
Partly cloudy, with a low around 60. East wind around 12 mph, with gusts as high as 20 mph.
A slight chance of rain showers after 7am. Mostly sunny, with a high near 80. Southeast wind around 10 mph.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Southeast wind around 10 mph.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Jul 16
|
Slight Chance Rain Showers then Partly Cloudy
|
70°F |
5 to 14 mph
N
|
|
Friday
Jul 17
|
Sunny
|
91°F |
14 to 17 mph
N
|
|
Friday Night
Jul 17
|
Mostly Clear
|
64°F |
8 to 14 mph
NE
|
|
Saturday
Jul 18
|
Mostly Sunny
|
89°F |
7 to 12 mph
E
|
|
Saturday Night
Jul 18
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
68°F |
12 to 17 mph
SE
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
97°F |
10 to 18 mph
SW
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
67°F |
10 mph
NW
|
|
Monday
Jul 20
|
Sunny
|
92°F |
10 to 24 mph
N
|
|
Monday Night
Jul 20
|
Mostly Clear
|
62°F |
13 to 24 mph
N
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
83°F |
14 mph
N
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
60°F |
12 mph
E
|
|
Wednesday
Jul 22
|
Slight Chance Rain Showers
|
80°F |
10 mph
SE
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms
|
62°F |
10 mph
SE
|
|
Thursday
Jul 23
|
Slight Chance Rain Showers then Mostly Sunny
|
86°F |
10 mph
SE
|
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.
