Weather forecast for 10 daysBig Stone City, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 70°F
- 39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNW 307°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:46 am CDT
- Sunset: 6:35 pm CDT
- details ▼
On Sunday, October 18, sunshine will likely continue with scattered clouds at most.
Dramatic temperature shifts from a high of a pleasant 69.8°F to a low of an icy 39.2°F are expected.
Today, the temperature will be higher and more consistent with September's typical high of 73°F than with October's 55.8°F.
Sunrise was at 7:46 am and sunset will be at 6:35 pm; the daylight will last for 10h and 49min.
Dramatic temperature shifts from a high of a pleasant 69.8°F to a low of an icy 39.2°F are expected.
Today, the temperature will be higher and more consistent with September's typical high of 73°F than with October's 55.8°F.
Sunrise was at 7:46 am and sunset will be at 6:35 pm; the daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 73°C.
Coldest period: Sunday - Monday 57°C.
Coldest period: Sunday - Monday 57°C.
Chance of precipitation
Highest chance: Friday 34%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 70°F
- 39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNW 307°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:46 am CDT
- Sunset: 6:35 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 41°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphENE 76°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:47 am CDT
- Sunset: 6:33 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 46°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 12mphSSE 156°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:48 am CDT
- Sunset: 6:32 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 45°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 5mphNNE 18°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:50 am CDT
- Sunset: 6:30 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 57°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 9mphSE 128°
- Humidity: 71%
- UV index: 3
- Sunrise: 7:51 am CDT
- Sunset: 6:28 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 61°F
AM Showers / Wind
- Precip. probability: 34%
- Precipitation: 0.12"
- Wind: 20mphSSE 150°
- Humidity: 56%
- UV index: 2
- Sunrise: 7:52 am CDT
- Sunset: 6:27 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 64°F
- 43°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 12mphWSW 252°
- Humidity: 64%
- UV index: 2
- Sunrise: 7:54 am CDT
- Sunset: 6:25 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphNNW 340°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:55 am CDT
- Sunset: 6:24 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 57°F
- 48°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 10mphESE 116°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:57 am CDT
- Sunset: 6:22 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 61°F
- 46°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 12mphSE 132°
- Humidity: 77%
- UV index: 2
- Sunrise: 7:58 am CDT
- Sunset: 6:20 pm CDT
- details ▼
Over the next ten days, a mix of overcast, dry and sunny and showery weather is forecasted.
With a probability of 34%, rainfall is anticipated only on Friday. The precipitation will be minimal at 0.12".
There will be a considerable variation in temperature in the coming days. Forecast highs will fluctuate between 57.2°F and 73.4°F, while the difference in minimum temperatures will be also substantial, as the overnight lows will vary from 39.2°F to 60.8°F.
The warmest days will be Thursday and Friday, with a maximum of 73.4°F; with a maximum temperature of 57.2°F, next Sunday and Monday will be the coldest days.
With a probability of 34%, rainfall is anticipated only on Friday. The precipitation will be minimal at 0.12".
There will be a considerable variation in temperature in the coming days. Forecast highs will fluctuate between 57.2°F and 73.4°F, while the difference in minimum temperatures will be also substantial, as the overnight lows will vary from 39.2°F to 60.8°F.
The warmest days will be Thursday and Friday, with a maximum of 73.4°F; with a maximum temperature of 57.2°F, next Sunday and Monday will be the coldest days.
Updated: Oct 18, 2026 @ 15:07:01 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 Sunday, uninterrupted sunshine is anticipated.
Today, the highest temperature will be 69.8°F, while the lowest temperature will be 39.2°F.
The highest temperature will be uncommonly higher than the average maximum of 55.8°F in October. The lowest temperature will be in line with the average low of 41°F.
The highest temperature will be uncommonly higher than the average maximum of 55.8°F in October. The lowest temperature will be in line with the average low of 41°F.
On Sunday, in Big Stone City, sunrise was at 7:46 am and sunset will be at 6:35 pm (CDT).
Today, the daylight will last for 10h and 49min.
