Weather forecast for: Deadwood SD
Last Update: 3:36 pm MDT Sep 20, 2026
This Afternoon: Showers and possibly a thunderstorm. Areas of fog. Steady temperature around 54. East wind around 6 mph, with gusts as high as 16 mph. Chance of precipitation is 90%.
Tonight: Showers and possibly a thunderstorm before 9pm, then showers likely. Areas of fog. Low around 44. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 90%.
Monday: A chance of showers, with thunderstorms also possible after noon. Widespread fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Monday Night: A 40 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southeast wind 6 to 9 mph, with gusts as high as 21 mph.
Tuesday: Sunny, with a high near 70. Southeast wind 6 to 10 mph, with gusts as high as 23 mph.
Tuesday Night: Partly cloudy, with a low around 52. South wind 6 to 13 mph, with gusts as high as 28 mph.
Wednesday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
Wednesday Night: Partly cloudy, with a low around 50.
Thursday: Mostly sunny, with a high near 77.
Thursday Night: Partly cloudy, with a low around 53.
Friday: Mostly sunny, with a high near 79.
Friday Night: Mostly clear, with a low around 54.
Saturday: Mostly sunny, with a high near 74.
Saturday Night: Mostly clear, with a low around 47.
Sunday: Mostly sunny, with a high near 70.