Nisland, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Nisland, SD in one place.
Sunny, with a high near 100. Southeast wind 6 to 23 mph, with gusts as high as 32 mph.
Local Weather Overview
This forecast page for Nisland, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 6:15 AM MDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Nisland, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 6:15 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Nisland
Wednesday looks like the warmest upcoming period in Nisland at 100 degrees F.
Sunday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 23 mph SE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 6:15 AM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
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 67. South wind 8 to 23 mph, with gusts as high as 30 mph.
Sunny, with a high near 98. North wind 8 to 14 mph, with gusts as high as 20 mph.
Partly cloudy, with a low around 67.
Sunny, with a high near 98.
Partly cloudy, with a low around 67.
Sunny, with a high near 99.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
100°F |
6 to 23 mph
SE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
67°F |
8 to 23 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
98°F |
8 to 14 mph
N
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
67°F |
5 to 14 mph
S
|
|
Friday
Jul 17
|
Sunny
|
98°F |
5 to 15 mph
NE
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
67°F |
8 to 15 mph
E
|
|
Saturday
Jul 18
|
Sunny
|
99°F |
8 to 20 mph
SE
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
67°F |
12 to 20 mph
SE
|
|
Sunday
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
96°F |
12 to 20 mph
E
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
65°F |
9 to 20 mph
SE
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
9 to 20 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Nisland.