10-Day Weather Forecast - Harrison, SD

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  • 76|56°F
    Sunny

    Today

    76°F

    Sunny. High temperature around 76F. Dew point will be around 49F with an average humidity of 52%. Winds will be 13 mph from the NW.

    Tonight

    56°F

    Mostly clear this evening then becoming partly cloudy. Lows in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph becoming south after midnight.

    Hourly details
  • 78|53°F
    Mostly Sunny

    Day

    78°F

    Mostly cloudy with a slight chance of showers in the morning then mostly sunny in the afternoon. Highs around 80. West winds 10 to 15 mph becoming northwest in the afternoon. Chance of rain 20 percent.

    Night

    53°F

    Partly cloudy. Lows in the lower 50s. North winds 10 to 15 mph with gusts up to 25 mph becoming northeast 5 to 10 mph after midnight.

    Hourly details
  • 76|59°F
    40% Chance Rain Showers

    Day

    76°F

    Mostly sunny in the morning then mostly cloudy with a chance of showers in the afternoon. Highs around 80. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

    Night

    59°F

    A slight chance of thunderstorms. Showers. Lows in the mid 50s. East winds 15 to 20 mph. Chance of rain 90 percent.

    Hourly details
  • 66|55°F
    Thunderstorms

    Day

    66°F

    Showers with a slight chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Not as warm with highs in the upper 60s. Chance of rain 90 percent.

    Night

    55°F

    A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 50 percent.

    Hourly details
  • 69|57°F
    Mostly Sunny

    Day

    69°F

    Mostly cloudy in the morning then becoming mostly sunny. Highs in the lower 70s.

    Night

    57°F

    Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 40 percent.

    Hourly details
  • 76|57°F
    40% Chance Rain Showers

    Day

    76°F

    Mostly cloudy in the morning then clearing. A chance of showers. Highs in the mid 70s. Chance of rain 40 percent.

    Night

    57°F

    Mostly clear. Lows in the lower 50s.

    Hourly details
  • 79|60°F
    Sunny

    Day

    79°F

    Sunny. Highs in the upper 70s.

    Night

    60°F

    Mostly clear in the evening then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 30 percent.

  • 82|63°F
    Partly Sunny

    Day

    82°F

    Partly sunny. Highs in the upper 70s.

    Night

    63°F

    Mostly clear with a 45% chance for rain and thunderstorms. Low temperature around 63F. Dew point will be around 62F with an average humidity of 74%. Winds will be 7 mph from the SE.

  • 87|64°F
    40% Chance of Rain

    Day

    87°F

    Mostly sunny with a 35% chance for rain and thunderstorms. High temperature around 87F. Dew point will be around 62F with an average humidity of 63%. Winds will be 4 mph from the S.

    Night

    64°F

    Clear with a 45% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 62F with an average humidity of 67%. Winds will be 4 mph from the SE.

  • 86|64°F
    Mostly Sunny

    Day

    86°F

    Mostly sunny. High temperature around 86F. Dew point will be around 60F with an average humidity of 58%. Winds will be 3 mph from the SE.

    Night

    64°F

    Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 64F. Dew point will be around 61F with an average humidity of 66%. Winds will be 4 mph from the E.