Weather forecast for todayLong Valley, SD

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 1:18 pm MDT

  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 16mphSW 230°
  • Humidity: 19%
  • Dewpoint: 32°F
  • Pressure: 29.98"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
At the moment, a bright and warm day is unfolding.
The temperature is a warm 78.8°F. The current temperature is the highest temperature for today.

Saturday Oct 17, 2026

  • 79°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSW 215°
  • Humidity: 24%
  • UV index: 4
  • Sunrise: 7:02 am MDT
  • Sunset: 5:59 pm MDT
  • ▼
Today, on Saturday, October 17, clear skies and sunshine are anticipated.
Temperatures will show considerable variation, extending from a high of a warm 78.8°F to a low of a frosty 44.6°F.
Today, climate comparisons show a temperature closer to September's 77.5°F than October's 59.2°F.
Sunrise was at 7:02 am and sunset will be at 5:59 pm; the daylight will last for 10h and 57min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 79°C.
Coldest hour: 11 pm 55°C.

Chance of precipitation

Highest chance: 2 pm - 11 pm 0%.

Hourly weather forecast

  • 2 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphSW 228°
  • Humidity: 19%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSW 224°
  • Humidity: 19%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 79°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSW 217°
  • Humidity: 20%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 204°
  • Humidity: 30%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 5:59 pm
  • 6 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 199°
  • Humidity: 34%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 7 pm
  • 63°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 203°
  • Humidity: 40%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 59°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 205°
  • Humidity: 43%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 57°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 206°
  • Humidity: 43%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    54°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 211°
  • Humidity: 43%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 55°F
  • Feels like:
    52°F
Mostly Clear
Mostly Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 212°
  • Humidity: 42%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Saturday, bright skies and dry conditions are anticipated.
The temperature will vary between a maximum of 78.8°F and a minimum of 55.4°F. The warmest part of the day will be from 2 pm to 4 pm.
The day’s peak temperature will reflect September's norm of 77.5°F more than October's 59.2°F. The lowest temperature is close to October's typical minimum of 43°F.
Updated: Oct 17, 2026 @ 19:18:18 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 1:18 pm MDT is 78.8°F.

On Saturday, bright and sunny weather is expected.

Today, the highest temperature will be 78.8°F, while the lowest temperature will be 44.6°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 59.2°F in October. Today, the lowest temperature will be in line with the average low temperature.

On Saturday, in Long Valley, sunrise was at 7:02 am and sunset will be at 5:59 pm (MDT).

In Long Valley, today, there will be 10h and 57min of daylight.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Latest news

Hurricane Polo Becomes Category 4 Storm in the Eastern Pacific as Heavy Rain Threatens Southwestern Mexico
Hurricane Polo Forecast: Category 4 Storm Threatens Mexico Coast With Heavy Rain, Flooding and Landslides
Category 5 Hurricane Lowell Spins South of Hawaii as Forecasters Watch Pacific Storms for Possible Surf, Rain and Coastal Impacts
Hurricane Lowell Forecast: Category 5 Storm South of Hawaii, Marie Watched Near Southern California
Tropical Storm Lala Rakes Hawaii With Fierce Winds, Flooding Rain and Landslides After Brushing the Big Island
Hawaii Storm Lala: Flooding, Landslides, Power Outages and More Than 100 Homes Damaged
Arctic air sweeps across the U.S., dumping deep snow on the Great Lakes and freezing the South
Arctic blast unleashes over a foot of snow in Great Lakes, record lows in the South and Florida
Tornado Tears Through Northeastern Wisconsin, Blackening the Midday Sky and Leaving Menasha Without Power
Wisconsin Tornado: Menasha and Appleton Hit by Destructive Storm, Power Out for Thousands
Deadly Flash Flooding Devastates North-Central West Virginia After Torrential Rain Swamps Homes, Roads and Businesses
West Virginia Flooding: 2 Dead, 1,000 Homes and Businesses Damaged After Flash Floods

Long Valley, South Dakota, USA

  • en: Long Valley, South Dakota, USA
  • es: Long Valley, Dakota del Sur, EE.UU.
  • hr: Long Vэlli, Južna Dakota, SAD
  • mk: Long Vэlli, Južna Dakota, SAD
  • sr: Long Vэlli, Južna Dakota, SAD
  • zh: 朗瓦利, 南达科他州, 美国
  • Latitude: 43.463152°
  • Longitude: -101.495683°
  • Elevation: 2671 ft
  • Current time: 1:18pm MDT
  • Sunrise: 7:02 am MDT
  • Sunset: 5:59 pm MDT
  • Timezone: America/Denver

Nearby Long Valley, South Dakota, USA

South Dakota, USA - most visited locations