Weather for 57620 — Bison, SD
Conditions and forecast for the exact centre of ZIP code 57620 (45.516, -102.483), not a nearby airport.
47°
Clear sky
- Feels like:
- 41°
- Humidity:
- 46%
- Wind:
- 14 mph
- Dew point:
- 27°
Source updated: 1:23:50 AM · WeatherSignal checked: 1:23:50 AM
Next 12 hours in 57620
1 AM
47°
0%
2 AM
46°
0%
3 AM
44°
0%
4 AM
44°
0%
5 AM
43°
0%
6 AM
42°
0%
7 AM
41°
0%
8 AM
40°
0%
9 AM
40°
0%
10 AM
39°
0%
11 AM
40°
0%
12 PM
41°
0%
7 day forecast for 57620
Today
74° / 39°
0% rain · 15 mph wind
Sunday, Oct 18
66° / 47°
0% rain · 13 mph wind
Monday, Oct 19
58° / 41°
0% rain · 11 mph wind
Tuesday, Oct 20
62° / 45°
0% rain · 10 mph wind
Wednesday, Oct 21
60° / 47°
0% rain · 8 mph wind
Thursday, Oct 22
64° / 50°
0% rain · 17 mph wind
Friday, Oct 23
65° / 57°
0% rain · 16 mph wind
About ZIP code 57620
57620 covers Bison in South Dakota. Forecasts on this page are generated for the coordinates at the centre of the ZIP code, so small differences from a nearby city forecast are expected and usually correct.
Closest cities with full forecast pages: Fargo (288 mi), Billings (291 mi), Sioux Falls (314 mi), Fort Collins (365 mi).
Nearby ZIP codes
Severe weather warnings are issued by the National Weather Service for counties and polygons that may not line up with ZIP code boundaries. Always follow official warnings for your exact address.
Planning your week in Bison 57620, South Dakota
- The warmest afternoon ahead is today, reaching about 74°F.
- The coldest night ahead dips to about 39°F.
- This is a dry stretch — most days show rain chances under 20%, good for outdoor plans.
- The breeziest day looks like Thursday, with sustained wind near 17 mph.
Common questions about Bison 57620, South Dakota weather
- How accurate is the Bison 57620, South Dakota forecast?
- The next 48 hours are usually reliable on temperature and sky cover, with timing that can shift by an hour or two. Days three and four are dependable for the overall pattern. Beyond that, treat the numbers as a planning direction rather than a promise — we label confidence on every day so you can judge for yourself.
- What is the best day this week in Bison 57620, South Dakota?
- No day in the current outlook has a rain chance above 40%, so conditions look favorable for outdoor plans across the week.
- Where does this forecast come from?
- Forecast values come from national weather model data, and official warnings come from the National Weather Service. We show the source and the last-updated time on every page, and we never invent a number the source did not publish — missing measurements are hidden, not guessed.
- How often is this page updated?
- The forecast refreshes whenever the source model publishes new data, typically several times a day. The freshness note near the top of the page shows exactly when the numbers you are looking at were issued.
More weather for Bison 57620, South Dakota
- Current weather in Bison 57620, South Dakota
- Bison 57620, South Dakota hourly forecast
- Bison 57620, South Dakota weather tomorrow
- Bison 57620, South Dakota weekend weather
- Bison 57620, South Dakota weather radar
- Bison 57620, South Dakota severe weather alerts
- Best time to go outside in Bison 57620, South Dakota
- What happened overnight in Bison 57620, South Dakota
- How accurate is the Bison 57620, South Dakota forecast?
- Bison 57620, South Dakota monthly weather averages
Weather in nearby cities
- Fargo, ND weather · about 288 miles away
- Billings, MT weather · about 291 miles away
- Sioux Falls, SD weather · about 314 miles away
- Fort Collins, CO weather · about 365 miles away
- Boulder, CO weather · about 405 miles away
- Thornton, CO weather · about 410 miles away