Keystone, SD Hourly Weather Forecast

Skies will shift from patchy heavy snow to partly cloudy as the day goes on. Rain forecasted to be light snow (up to 0.00in), patchy heavy snow (up to 0.02in), heavy snow (up to 0.07in), moderate snow (up to 0.01in), moderate or heavy snow showers (up to 0.00in), patchy light snow (up to 0.00in). Snow forecasted to be patchy heavy snow (up to 0.10in), heavy snow (up to 0.50in), moderate snow (up to 0.10in). Temps range from 25° to 36°. Breezy wind, shifting from NNW to W at 8.5 mph, as humidity ranges 78% to 93%, and an avg barometric pressure of 30.03 inHg.

Skies will shift from Sunny skies to Clear conditions as the day goes on. Warming trend from 23°F to 54°. Light winds, shifting from W to SW at 5.2 mph, with humidity ranging 27% to 92%, and an avg barometric pressure of 30.15 inHg.

Clear conditions expected later. Temps around 36°. Breezy wind from the WSW at 7.8 mph, with humidity ranging 60% to 72%, and an avg barometric pressure of 30.16 inHg.