Bison, SD Weather & Growing Conditions
Today
51°F
Partly Sunny
Partly sunny. High near 51, with temperatures falling to around 48 in the afternoon. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Partly Sunny | 10 to 14 mph NW | 0% |
| Tonight | 29°F | Partly Cloudy | 9 mph NW | 0% |
| Thursday | 48°F | Mostly Sunny | 6 mph NE | 0% |
| Thursday Night | 27°F | Partly Cloudy | 6 mph SE | 0% |
| Friday | 52°F | Mostly Sunny | 3 to 7 mph SW | 0% |
| Friday Night | 32°F | Mostly Clear | 2 to 7 mph SW | 0% |
| Saturday | 59°F | Sunny | 8 to 20 mph W | 0% |
| Saturday Night | 32°F | Mostly Clear | 7 mph W | 0% |
| Sunday | 61°F | Sunny | 5 to 9 mph S | 0% |
| Sunday Night | 40°F | Partly Cloudy | 6 to 10 mph W | 0% |
| Monday | 60°F | Sunny | 7 to 13 mph NW | 0% |
| Monday Night | 34°F | Partly Cloudy | 5 mph W | 1% |
| Tuesday | 58°F | Mostly Sunny | 3 to 8 mph S | 0% |
| Tuesday Night | 37°F | Partly Cloudy | 6 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bison, SD
Last spring frost
May 11
First fall frost
Sep 30
Growing season
140 days
Hardiness zone
4b
Explore more for Bison, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Glad Valley 2 W, Sd (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.