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Weather Forecast for Keystone, South Dakota

If you planning to travel to Keystone, South Dakota, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 12:34 PM. The temperature feels like 30.2 with a humidity level of 86 so dress accordingly. Cloud coverage is 86 percent with visibility at 4.3 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 1:21 AM.


Fahrenheit / Celsius
Tuesday 4/1
Mix snow/rain

Tuesday 4/1 Weather forecast for Keystone, South Dakota, Mix snow/rain
35°F
High: 41°F
Low: 29°F
Precipitation: 85%
Today 4/2
Mix snow/rain

Wednesday 4/2 Weather forecast for Keystone, South Dakota, Mix snow/rain
33°F
High: 39°F
Low: 26°F
Precipitation: 55%
Thursday 4/3
Broken clouds

Thursday 4/3 Weather forecast for Keystone, South Dakota, Broken clouds
35°F
High: 44°F
Low: 30°F
Precipitation: 0%
Friday 4/4
Mix snow/rain

Friday 4/4 Weather forecast for Keystone, South Dakota, Mix snow/rain
33°F
High: 39°F
Low: 22°F
Precipitation: 75%
Saturday 4/5
Light snow

Saturday 4/5 Weather forecast for Keystone, South Dakota, Light snow
33°F
High: 42°F
Low: 28°F
Precipitation: 60%
Sunday 4/6
Scattered clouds

Sunday 4/6 Weather forecast for Keystone, South Dakota, Scattered clouds
36°F
High: 52°F
Low: 33°F
Precipitation: 0%

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