Weather in Bison, SD
Updated 2026-08-11 09:15 local time · ZIP codes 57620
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
64°14% rain
66°19% rain
67°35% rain
69°33% rain
72°29% rain
75°20% rain77°11% rain80°7% rain81°5% rain82°4% rain81°4% rain79°5% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
There is a moderate rain chance, peaking near 35%.
It feels like 63°F with winds near 8 mph.
81°F, 5% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 56 mph.
Current temperature is 64°F, wind 8 mph, rain chance up to 35%.
UV index is 2.
Bison weather today
Sunny and 64°F in Bison, SD. Today's high is 82°F with a 67% rain chance. Winds are around 8 mph with gusts near 10 mph. Relative humidity is 91%, pressure is 29.87 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Bison
Sunrise is at 05:47 AM and sunset is at 08:04 PM. Tomorrow's forecast calls for Sunny with a high near 86°F and a low near 65°F. The maximum rain chance is 57%.