Weather forecast for tomorrowLong Valley, SD
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphENE 69°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:05 am MDT
- Sunset: 5:56 pm MDT
- details ▼
Tomorrow, on Monday, October 19, expect bright skies and plenty of sunshine.
Temperatures are expected to peak at an enjoyable 66.2°F and drop to a minimum of an icy 41°F.
The temperature is predicted to be slightly warmer than the standard October peak of 59.2°F.
Sunrise will be at 7:05 am and sunset at 5:56 pm; tomorrow's daylight will last for 10h and 51min.
Temperatures are expected to peak at an enjoyable 66.2°F and drop to a minimum of an icy 41°F.
The temperature is predicted to be slightly warmer than the standard October peak of 59.2°F.
Sunrise will be at 7:05 am and sunset at 5:56 pm; tomorrow's daylight will last for 10h and 51min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 36°C.
Coldest hour: 6 am 36°C.
Chance of precipitation
Highest chance: 3%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:41°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 6°
- Humidity: 68%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphN 354°
- Humidity: 73%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:34°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphN 1°
- Humidity: 80%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:36°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphNNE 14°
- Humidity: 81%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:05 am
- 8 am
- 39°F
- Feels like:39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNNE 21°
- Humidity: 75%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNE 48°
- Humidity: 55%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphENE 76°
- Humidity: 44%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphE 86°
- Humidity: 40%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphESE 103°
- Humidity: 39%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:56 pm
- 6 pm
- 59°F
- Feels like:57°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphE 96°
- Humidity: 50%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 50°F
- Feels like:48°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphESE 115°
- Humidity: 67%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphSSE 153°
- Humidity: 76%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of sun-filled and cloud-filled weather is anticipated.
The 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 2 pm to 4 pm.
The forecasted high will be moderately higher than the typical October maximum of 59.2°F. The expected low will be also alike with the average minimum in October, which is 43°F.
The 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 2 pm to 4 pm.
The forecasted high will be moderately higher than the typical October maximum of 59.2°F. The expected low will be also alike with the average minimum in October, which is 43°F.
Updated: Oct 18, 2026 @ 13:09:38 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
On Monday, in Long Valley, expect sunny weather with a crisp, clear sky.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 41°F.
The highest temperature will be slightly warmer than the average maximum of 59.2°F in October. The lowest temperature will be in line with the average low of 43°F.
The highest temperature will be slightly warmer than the average maximum of 59.2°F in October. The lowest temperature will be in line with the average low of 43°F.
On Monday, in Long Valley, sunrise will be at 7:05 am and sunset at 5:56 pm (MDT).
In Long Valley, the length of the day tomorrow will be 10h and 51min.
