Weather forecast for: Letcher SD
Last Update: 2:08 pm CDT Sep 8, 2026
This Afternoon: Sunny, with a high near 85. North northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight: Mostly clear, with a low around 57. West wind around 5 mph.
Wednesday: Sunny, with a high near 79. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night: Mostly clear, with a low around 52. Northwest wind around 5 mph becoming south southwest after midnight.
Thursday: Sunny, with a high near 84. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night: Mostly clear, with a low around 64. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Friday: Sunny, with a high near 92. Breezy.
Friday Night: Partly cloudy, with a low around 57. Breezy.
Saturday: Mostly sunny, with a high near 74. Breezy.
Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 51.
Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 68.
Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 70. Breezy.
WeatherWorld.com
