Weather forecast for 10 daysLong Lake, SD

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 68°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 15mphN 5°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:57 am CDT
  • Sunset: 6:45 pm CDT
  • ▼
Today, in Long Lake, skies are expected to be clear and full of sunshine.
A high of a pleasant 68°F during the day contrasts markedly with a low of a cold 35.6°F at night.
Expect temperatures to match September's average maximum of 72.7°F rather than October's 54.9°F.
Sunrise will be at 7:57 am and sunset at 6:45 pm; the daylight will last for 10h and 48min.

10-day overview

Daily temperatures

Warmest period: Thursday - Friday 72°C.
Minimum temperature: 55°C.

Chance of precipitation

Highest chance: Friday 32%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 68°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 15mphN 5°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:57 am CDT
  • Sunset: 6:45 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphE 89°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:59 am CDT
  • Sunset: 6:44 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 14mphSSE 160°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 8:00 am CDT
  • Sunset: 6:42 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 11mphNE 37°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 8:02 am CDT
  • Sunset: 6:40 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 15mphSE 142°
  • Humidity: 72%
  • UV index: 3
  • Sunrise: 8:03 am CDT
  • Sunset: 6:39 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 52°F
AM Showers / Wind
AM Showers / Wind
  • Precip. probability: 32%
  • Precipitation: 0.08"
  • Wind: 22mphSSE 159°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 8:04 am CDT
  • Sunset: 6:37 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 55°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 17mphWNW 287°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 8:06 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 55°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphESE 110°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 8:07 am CDT
  • Sunset: 6:34 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 57°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 14mphESE 114°
  • Humidity: 76%
  • UV index: 3
  • Sunrise: 8:09 am CDT
  • Sunset: 6:32 pm CDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 55°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 16mphSE 142°
  • Humidity: 78%
  • UV index: 2
  • Sunrise: 8:10 am CDT
  • Sunset: 6:30 pm CDT
  • ▼
During the ten-day period, sun-filled, cloud-filled and damp weather is expected.
With a 32% probability, rainfall is expected only on Friday. The precipitation will be minimal at 0.08".
Temperature variation will be noticeable in the coming days. The maximum temperature will vary between 55.4°F and 71.6°F, while the fluctuation in night temperatures will be also significant, as the lowest temperatures will be recorded between 35.6°F and 55.4°F.
The warmest days will be Thursday and Friday, with a maximum of 71.6°F; Saturday, next Sunday and Tuesday, with the highest temperature of 55.4°F, will be the coldest days.
Updated: Oct 18, 2026 @ 12:57:41 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunshine will likely continue with scattered clouds at most.

Today, the highest temperature will be 68°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be significantly higher than the average highest temperature of 54.9°F in October. The lowest temperature today will be in line with the average low temperature.

On Sunday, in Long Lake, sunrise will be at 7:57 am and sunset at 6:45 pm (CDT).

In Long Lake, today, there will be 10h and 48min of daylight.