Weather forecast for: Summit SD
Last Update: 8:21 pm CDT Sep 21, 2026
Tonight: Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 44. East southeast wind 5 to 7 mph.
Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 58. Southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday Night: Partly cloudy, with a low around 46. South southeast wind around 11 mph, with gusts as high as 20 mph.
Wednesday: A slight chance of showers after 1pm. Partly sunny, with a high near 62. South southeast wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday Night: Showers and possibly a thunderstorm. Low around 54. South southeast wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: Mostly cloudy, with a high near 65. South wind 9 to 15 mph, with gusts as high as 24 mph.
Thursday Night: Mostly cloudy, with a low around 54. South southeast wind around 8 mph.
Friday: A slight chance of showers. Mostly cloudy, with a high near 64. Southeast wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Friday Night: A chance of showers. Mostly cloudy, with a low around 56. Southeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday: A chance of showers before 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Saturday Night: A slight chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.
Sunday: Mostly sunny, with a high near 65.
Sunday Night: A slight chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 65. Chance of precipitation is 50%.
WeatherWorld.com
