Keystone, SD 14 Day Weather - 57751 WeatherWorld.com

Refreshing around 61°F 16°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.

Cool and brisk at 54°F 12°C, overcast throughout the day, with increasing humidity and barometric pressure falling. Winds turning from the S to the SSW at 6 mph 10 km/h.

Cold with a high near 40°F 4°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure rising. Winds switching from the NNW to the NW at 20 mph 32 km/h. Gusts up to 42 mph 68 km/h.

Crisp with a high near 53°F 12°C, sunny throughout the day, with increasing humidity and steady pressure. Winds decreasing from NW 19 mph 31 km/h to WSW 6 mph 10 km/h.

Brisk around 47°F 8°C, overcast throughout the day, with increasing humidity and barometric pressure rising.

Cool and brisk at 47°F 8°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure.

Nippy around 43°F 6°C, partly cloudy through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure.

Biting cold near 39°F 4°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with increasing humidity and barometric pressure rising. Winds out of the NNW at 6 mph 10 km/h.

Brisk around 45°F 7°C, locally heavy downpours at times, with increasing humidity and steady pressure.

Nippy around 43°F 6°C, sunny throughout the day, with increasing humidity and steady pressure.

Chilly near 47°F 9°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds blowing from the WSW at 4 mph 6 km/h.

Crisp with a high near 45°F 7°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with increasing humidity and steady pressure.

Nippy around 39°F 4°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure.

Freezing temperatures near 30°F -1°C, scattered morning snow before drying out later, with steady humidity and barometric pressure rising. Snow accumulation up to 2 in. up to 5 cm. Winds turning from the NNW to the WNW at 9 mph 14 km/h. Gusts up to 21 mph 33 km/h.