Gann Valley, SD

Current conditions, hourly and 7-day forecast, and live radar for Gann Valley, SD 57341. Right now: mostly clear, 54°F. Data from the National Weather Service.

• Tonight: Mostly clear, with a low around 54. South wind 0 to 5 mph.
• Thursday: Sunny, with a high near 85. South wind 3 to 20 mph, with gusts as high as 28 mph.
• Thursday Night: Mostly clear, with a low around 65. South wind 14 to 20 mph, with gusts as high as 28 mph.
• Friday: Sunny, with a high near 89. Southwest wind 14 to 22 mph.
• Friday Night: Partly cloudy, with a low around 54. North northwest wind 12 to 22 mph.
• Saturday: Mostly sunny, with a high near 72. North wind 7 to 10 mph.