Weather forecast for 10 days
Keystone, SD

Tomorrow, partially clouded weather is also expected.
The temperature is forecasted to vary between a fresh 51.8°F (11°C) and a wintry 32°F (0°C).
It will be warmer, and the maximum temperature will be more in line with November's average highest temperature of 42.3°F (5.7°C) than the average highest temperature of 29.8°F (-1.2°C) in December.
Sunrise will be at 7:23 am and sunset at 4:21 pm; tomorrow's daylight will last for 8h and 58min.

For the next ten days, a combination of cloudy and sunny weather is expected.
Rainfall is not forecasted in Keystone in the upcoming period.
In the coming days, the highest temperature will vary between 41°F (5°C) and 51.8°F (11°C), while the lowest nightly temperature fluctuation will be substantial, as the lowest temperature will vary between 23°F (-5°C) and 42.8°F (6°C).
With the highest temperature of 51.8°F (11°C), Sunday will be the warmest day; with the highest temperature of 41°F (5°C), next Monday will be the coldest day.

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The coldest month in Keystone is December, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 16.5°F (-8.6°C).