Weather forecast for: Mellette SD
Last Update: 1:21 am CDT Sep 6, 2026
Overnight: Mostly cloudy, with a low around 70. Southeast wind around 10 mph, with gusts as high as 21 mph.
Sunday: Showers and thunderstorms likely, mainly before 11am. Partly sunny, with a high near 87. South southeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night: A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 67. South southeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Labor Day: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 88. Breezy, with a south southeast wind 16 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Breezy, with a south southeast wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Tuesday: Mostly sunny, with a high near 84. West northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday Night: Mostly clear, with a low around 56. West northwest wind 11 to 13 mph.
Wednesday: Sunny, with a high near 80. West northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Wednesday Night: Mostly clear, with a low around 53. West northwest wind 5 to 7 mph becoming light and variable.
Thursday: Sunny, with a high near 83.
Thursday Night: Mostly clear, with a low around 57.
Friday: Sunny, with a high near 84.
Friday Night: Mostly clear, with a low around 55.
Saturday: Mostly sunny, with a high near 80.
WeatherWorld.com
