10-Day Weather Forecast - Keystone, SD

As of

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  • |63°F
    Mostly Clear

    Tonight

    63°F

    Mostly clear. Near steady temperature around 60. West winds around 5 mph.

    Hourly details
  • 88|59°F
    40% Chance of Storms

    Day

    88°F

    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 40 percent.

    Night

    59°F

    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 50s. North winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.

    Hourly details
  • 82|55°F
    60% Chance of Storms

    Day

    82°F

    Partly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the upper 70s. North winds 5 to 10 mph. Chance of rain 60 percent.

    Night

    55°F

    Clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. North winds 5 to 10 mph. Chance of rain 20 percent.

    Hourly details
  • 80|56°F
    30% Chance of Storms

    Day

    80°F

    Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 30 percent.

    Night

    56°F

    Mostly clear. Lows in the mid 50s.

    Hourly details
  • 83|63°F
    30% Chance of Storms

    Day

    83°F

    Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

    Night

    63°F

    Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 30 percent.

    Hourly details
  • 91|64°F
    Partly Cloudy

    Day

    91°F

    Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

    Night

    64°F

    Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent.

    Hourly details
  • 87|64°F
    Partly Cloudy

    Day

    87°F

    Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

    Night

    64°F

    Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent.

    Hourly details
  • 86|58°F
    Partly Cloudy

    Day

    86°F

    Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 80s.

    Night

    58°F

    Mostly clear. Low temperature around 58F. Dew point will be around 43F with an average humidity of 47%. Winds will be 4 mph from the W.

  • 84|56°F
    Sunny

    Day

    84°F

    Sunny. High temperature around 84F. Dew point will be around 46F with an average humidity of 36%. Winds will be 1 mph from the W.

    Night

    56°F

    Mostly clear. Low temperature around 56F. Dew point will be around 46F with an average humidity of 54%. Winds will be 2 mph from the W.

  • 84|59°F
    Mostly Sunny

    Day

    84°F

    Mostly sunny. High temperature around 84F. Dew point will be around 49F with an average humidity of 39%. Winds will be 3 mph from the SE.

    Night

    59°F

    Mostly clear. Low temperature around 59F. Dew point will be around 50F with an average humidity of 56%. Winds will be 4 mph from the SW.

  • 87|58°F
    30% Chance of Rain

    Day

    87°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 87F. Dew point will be around 51F with an average humidity of 40%. Winds will be 3 mph from the SW.

    Night

    58°F

    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 58F. Dew point will be around 47F with an average humidity of 51%. Winds will be 4 mph from the W.