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Keystone, SD 57751   Weather, Extended Forecast and Hour-by-Hour Forecast

Weather Conditions

40°
A SHOWER

Updated: 11:59 PM

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7-day Forecast for Keystone

  • Daytime
  • Nighttime
05/20
Mon 		48°
Winds gusting past 50 mph and colder with on-and-off rain and drizzle 		Feels Like: 38°
Winds: 31mph NW 		39° Feels like: 18°
Winds: 27mph NW
05/21
Tue 		51°
Mostly cloudy and breezy with a couple of showers 		Feels Like: 44°
Winds: 19mph NNW 		36° Feels like: 33°
Winds: 7mph NNW
05/22
Wed 		58°
Warmer with some sun 		Feels Like: 61°
Winds: 8mph ENE 		41° Feels like: 35°
Winds: 8mph ESE
05/23
Thu 		61°
Clouds yielding to some sun 		Feels Like: 60°
Winds: 13mph SSE 		49° Feels like: 40°
Winds: 11mph S
05/24
Fri 		75°
Partly sunny, breezy and warmer with a shower or thunderstorm possible 		Feels Like: 77°
Winds: 17mph S 		51° Feels like: 49°
Winds: 7mph SSE
05/25
Sat 		78°
Clouds and limited sun 		Feels Like: 87°
Winds: 5mph SE 		54° Feels like: 53°
Winds: 4mph SSE
05/26
Sun 		76°
Times of clouds and sun with a shower in spots 		Feels Like: 83°
Winds: 7mph SSE 		48° Feels like: 45°
Winds: 7mph SE

24 Hour Forecast for Keystone

Prev 6 Hours | Next 6 Hours
  • 1am
  • 2am
  • 3am
  • 4am
  • 5am
  • 6am
  • Conditions
  • Temperature
  • 40°
  • 40°
  • 40°
  • 39°
  • 39°
  • 39°
  • Cloud Cover
  • 98%
  • 97%
  • 96%
  • 95%
  • 95%
  • 95%
  • Feels Like
  • 21°
  • 22°
  • 18°
  • 21°
  • 18°
  • 23°
  • Dew Point
  • 37°
  • 37°
  • 37°
  • 36°
  • 35°
  • 35°
  • Humidity
  • 89%
  • 88%
  • 88%
  • 88%
  • 87%
  • 85%
  • Wind Direction
  • NNW
  • NNW
  • NNW
  • NW
  • NW
  • NW
  • Wind Speed
  • 41
  • 35
  • 34
  • 32
  • 29
  • 27
  • Precipitation
  • 0.0
  • 0.04
  • 0.0
  • 0.04
  • 0.0
  • 0.0

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