Weather forecast for 10 daysBison, SD
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 34°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 15mphNNE 13°
- Humidity: 36%
- UV index: 3
- Sunrise: 7:10 am MDT
- Sunset: 5:59 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, a crisp, sunny atmosphere is likely.
A stark contrast will be observed between the day's peak temperature of an enjoyable 66.2°F and the night's low of an icy 33.8°F.
Meteorological data shows 66.2°F is more characteristic of September's climate profile than October's.
Sunrise will be at 7:10 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 49min.
A stark contrast will be observed between the day's peak temperature of an enjoyable 66.2°F and the night's low of an icy 33.8°F.
Meteorological data shows 66.2°F is more characteristic of September's climate profile than October's.
Sunrise will be at 7:10 am and sunset at 5:59 pm; tomorrow's daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest period: Thursday - Friday 73°C.
Coldest day: Saturday 24.10. 52°C.
Coldest day: Saturday 24.10. 52°C.
Chance of precipitation
Highest chance: Saturday 24.10. 39%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 45°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphW 280°
- Humidity: 50%
- UV index: 0
- Sunrise: 7:09 am MDT
- Sunset: 6:01 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 34°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 15mphNNE 13°
- Humidity: 36%
- UV index: 3
- Sunrise: 7:10 am MDT
- Sunset: 5:59 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 63°F
- 39°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 17mphSE 133°
- Humidity: 46%
- UV index: 3
- Sunrise: 7:11 am MDT
- Sunset: 5:57 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 39°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 12mphSSE 165°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:13 am MDT
- Sunset: 5:55 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 43°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphNNE 33°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:14 am MDT
- Sunset: 5:54 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 54°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 17mphSSE 159°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:15 am MDT
- Sunset: 5:52 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 45°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0.2"
- Wind: 17mphS 172°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:17 am MDT
- Sunset: 5:50 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 34°F
AM Showers / Wind
- Precip. probability: 39%
- Precipitation: 0.04"
- Wind: 21mphNW 305°
- Humidity: 62%
- UV index: 2
- Sunrise: 7:18 am MDT
- Sunset: 5:49 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 37°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 14mphSE 126°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:20 am MDT
- Sunset: 5:47 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 39°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 12mphSE 127°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:21 am MDT
- Sunset: 5:46 pm MDT
- details ▼
During the ten-day period, cloudy, sun-filled and showery weather is forecasted.
Rain is forecasted for Friday and next Saturday.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 51.8°F and 73.4°F, while the fluctuation in night temperatures will be also significant, as the lowest temperatures will be recorded between 33.8°F and 53.6°F.
The warmest days in Bison will be Thursday and Friday, with a maximum of 73.4°F; with the highest temperature of 51.8°F, next Saturday will be the coldest day.
Rain is forecasted for Friday and next Saturday.
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 51.8°F and 73.4°F, while the fluctuation in night temperatures will be also significant, as the lowest temperatures will be recorded between 33.8°F and 53.6°F.
The warmest days in Bison will be Thursday and Friday, with a maximum of 73.4°F; with the highest temperature of 51.8°F, next Saturday will be the coldest day.
Updated: Oct 18, 2026 @ 01:35:47 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, in Bison, sunshine will dominate, with only occasional cloud cover.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 33.8°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 54.7°F in October. The lowest temperature tomorrow will be relatively lower than the average low temperature.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 54.7°F in October. The lowest temperature tomorrow will be relatively lower than the average low temperature.
On Sunday, in Bison, sunrise will be at 7:10 am and sunset at 5:59 pm (MDT).
Tomorrow, the daylight will last for 10h and 49min.





