Weather forecast for tomorrowNisland, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 39°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 22mphESE 122°
- Humidity: 37%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 6:03 pm MDT
- details ▼
Tomorrow, on Monday, October 19, sunny and windy weather is anticipated.
Dramatic temperature shifts from a high of a comfortable 66.2°F to a low of a wintry 39.2°F are predicted.
Meteorological data shows 66.2°F is more characteristic of September's climate profile than October's.
Sunrise will be at 7:15 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 48min.
Dramatic temperature shifts from a high of a comfortable 66.2°F to a low of a wintry 39.2°F are predicted.
Meteorological data shows 66.2°F is more characteristic of September's climate profile than October's.
Sunrise will be at 7:15 am and sunset at 6:03 pm; tomorrow's daylight will last for 10h and 48min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest period: 3 am - 6 am 41°C.
Coldest period: 3 am - 6 am 41°C.
Chance of precipitation
Highest chance: 9 pm 1%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:41°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSE 133°
- Humidity: 48%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphESE 119°
- Humidity: 53%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphESE 109°
- Humidity: 55%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:34°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphESE 111°
- Humidity: 57%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:15 am
- 8 am
- 43°F
- Feels like:37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 118°
- Humidity: 56%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphESE 122°
- Humidity: 38%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 63°F
- Feels like:59°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 20mphESE 122°
- Humidity: 30%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 21mphSE 124°
- Humidity: 28%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 22mphESE 122°
- Humidity: 29%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 19mphESE 124°
- Humidity: 36%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:03 pm
- 8 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSE 128°
- Humidity: 48%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 15mphSE 128°
- Humidity: 54%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily bright and occasionally cloudy weather is anticipated.
The temperature will vary between the lowest temperature of 41°F and the highest temperature of 64.4°F. The feels-like temperature will vary between the lowest temperature of 33.8°F and the highest temperature of 64.4°F. The warmest part of the day will be from 1 pm to 5 pm.
The highest temperature is more close to September's average maximum of 73.9°F than October's usual of 55.9°F. The minimum temperature will be comparable to October's average low of 39.4°F.
The temperature will vary between the lowest temperature of 41°F and the highest temperature of 64.4°F. The feels-like temperature will vary between the lowest temperature of 33.8°F and the highest temperature of 64.4°F. The warmest part of the day will be from 1 pm to 5 pm.
The highest temperature is more close to September's average maximum of 73.9°F than October's usual of 55.9°F. The minimum temperature will be comparable to October's average low of 39.4°F.
Updated: Oct 18, 2026 @ 14:31:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, dry and sunny conditions will persist, with occasional wind gusts.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
The highest temperature will be uncommonly higher than the average maximum of 55.9°F in October. The lowest temperature will be in line with the average low of 39.4°F.
The highest temperature will be uncommonly higher than the average maximum of 55.9°F in October. The lowest temperature will be in line with the average low of 39.4°F.
On Monday, in Nisland, sunrise will be at 7:15 am and sunset at 6:03 pm (MDT).
In Nisland, the length of the day tomorrow will be 10h and 48min.





