10-Day Weather Forecast - Westport, SD

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  • 78|61°F
    50% Chance of Storms

    Today

    78°F

    Partly sunny with a 50 percent chance of thunderstorms. Not as warm with highs in the mid 80s. East winds 15 to 20 mph with gusts up to 35 mph.

    Tonight

    61°F

    Thunderstorms. Lows in the upper 50s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

    Hourly details
  • 79|60°F
    40% Chance of Storms

    Day

    79°F

    Mostly cloudy. A chance of thunderstorms in the morning. Highs in the upper 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

    Night

    60°F

    Partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

    Hourly details
  • 86|63°F
    Mostly Sunny

    Day

    86°F

    Mostly sunny. Highs in the mid 80s. Northeast winds around 5 mph.

    Night

    63°F

    Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s.

    Hourly details
  • 95|67°F
    Sunny

    Day

    95°F

    Mostly clear. Hot. Highs around 90. Lows in the mid 60s.

    Night

    67°F

    Mostly clear. Hot. Highs around 90. Lows in the mid 60s.

    Hourly details
  • 98|70°F
    Partly Cloudy

    Day

    98°F

    Mostly clear. Hot. Highs in the mid 90s. Lows in the upper 60s.

    Night

    70°F

    Mostly clear. Hot. Highs in the mid 90s. Lows in the upper 60s.

    Hourly details
  • 102|70°F
    Unknown

    Day

    102°F

    Mostly clear. Hot. Highs around 100. Lows in the lower 70s. Heat index values up to 105.

    Night

    70°F

    Mostly clear. Hot. Highs around 100. Lows in the lower 70s. Heat index values up to 105.

    Hourly details
  • 101|69°F
    Unknown

    Day

    101°F

    Mostly clear. Hot. Highs around 100. Lows in the lower 70s. Heat index values up to 105.

    Night

    69°F

    Mostly clear with scattered thunderstorms. Chance of storms 40%. Low temperature around 69F. Dew point will be around 57F with an average humidity of 45%. Winds will be 10 mph from the S.

  • 98|65°F
    Sunny

    Day

    98°F

    Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 98F. Dew point will be around 61F with an average humidity of 44%. Winds will be 3 mph from the SE.

    Night

    65°F

    Clear. Low temperature around 65F. Dew point will be around 58F with an average humidity of 54%. Winds will be 5 mph from the E.

  • 92|63°F
    Mostly Sunny

    Day

    92°F

    Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 92F. Dew point will be around 60F with an average humidity of 50%. Winds will be 3 mph from the E.

    Night

    63°F

    Clear with scattered thunderstorms. Chance of storms 35%. Low temperature around 63F. Dew point will be around 57F with an average humidity of 56%. Winds will be 3 mph from the E.

  • 92|63°F
    Sunny

    Day

    92°F

    Sunny with scattered thunderstorms. Chance of storms 55%. High temperature around 92F. Dew point will be around 60F with an average humidity of 50%. Winds will be 2 mph from the SE.

    Night

    63°F

    Clear with scattered thunderstorms. Chance of storms 50%. Low temperature around 63F. Dew point will be around 56F with an average humidity of 54%. Winds will be 2 mph from the SE.