Weather forecast for: Erwin SD
Last Update: 10:38 am CDT Oct 28, 2026
Today: Showers and thunderstorms likely, mainly before 2pm. Cloudy, then becoming mostly sunny late, with a high near 60. South wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: Mostly clear, with a low around 36. West wind around 5 mph.
Thursday: Mostly sunny, with a high near 56. Calm wind becoming south southeast around 5 mph in the morning.
Thursday Night: Partly cloudy, with a low around 38. Southeast wind around 10 mph.
Friday: Mostly sunny, with a high near 58. East wind around 10 mph, with gusts as high as 20 mph.
Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 41. East wind around 10 mph.
Saturday: A 30 percent chance of showers before 1pm. Cloudy, with a high near 59.
Saturday Night: Cloudy, with a low around 48.
Sunday: Mostly cloudy, with a high near 62.
Sunday Night: Mostly cloudy, with a low around 48.
Monday: Showers likely. Cloudy, with a high near 58. Chance of precipitation is 60%.
Monday Night: A 50 percent chance of showers. Cloudy, with a low around 43.
Tuesday: A 30 percent chance of showers. Mostly cloudy, with a high near 54.
WeatherWorld.com
