Weather forecast for: Mellette SD
Last Update: 10:16 pm CDT Oct 19, 2026
Tonight: Mostly clear, with a low around 43. Southeast wind around 8 mph.
Tuesday: Sunny, with a high near 69. South wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday Night: Mostly clear, with a low around 46. South southeast wind 5 to 10 mph.
Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 70. Northeast wind 3 to 8 mph.
Wednesday Night: Mostly clear, with a low around 46. Northeast wind 5 to 7 mph becoming east southeast after midnight.
Thursday: Sunny, with a high near 74. South southeast wind 5 to 15 mph, with gusts as high as 24 mph.
Thursday Night: Partly cloudy, with a low around 57. South southeast wind 13 to 17 mph, with gusts as high as 26 mph.
Friday: A slight chance of rain before 1pm. Partly sunny, with a high near 74. Breezy, with a south southeast wind 21 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Friday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 56. Breezy, with a south southeast wind 21 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Saturday: A slight chance of rain after 1pm. Partly sunny, with a high near 64. Chance of precipitation is 20%.
Saturday Night: A slight chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.
Sunday: Mostly sunny, with a high near 57.
Sunday Night: Partly cloudy, with a low around 38.
Monday: Mostly sunny, with a high near 54.
WeatherWorld.com
