10-Day Weather Forecast - Fort Thompson, SD

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  • 95|69°F
    Mostly Sunny

    Today

    95°F

    Mostly sunny. Hot with highs in the mid 90s. South winds 15 to 20 mph with gusts up to 30 mph.

    Tonight

    69°F

    Mostly cloudy with a 50 percent chance of thunderstorms. Humid with lows in the upper 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph becoming north 10 to 15 mph after midnight.

    Hourly details
  • 81|64°F
    Partly Sunny

    Day

    81°F

    Mostly cloudy with a slight chance of thunderstorms in the morning then partly sunny in the afternoon. Not as warm. Humid with highs in the lower 80s. North winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

    Night

    64°F

    Partly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph.

    Hourly details
  • 84|66°F
    Partly Sunny

    Day

    84°F

    Partly sunny. Highs in the mid 80s. East winds 5 to 10 mph.

    Night

    66°F

    Partly cloudy with a 20 percent chance of thunderstorms. Lows in the lower 60s.

    Hourly details
  • 90|69°F
    Mostly Sunny

    Day

    90°F

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

    Night

    69°F

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

    Hourly details
  • 96|73°F
    Unknown

    Day

    96°F

    Mostly clear. Hot. Highs in the mid 90s. Lows around 70.

    Night

    73°F

    Mostly clear. Hot. Highs in the mid 90s. Lows around 70.

    Hourly details
  • 101|76°F
    Unknown

    Day

    101°F

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

    Night

    76°F

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

    Hourly details
  • 102|75°F
    Very Hot

    Day

    102°F

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

    Night

    75°F

    Clear with scattered thunderstorms. Chance of storms 35%. Low temperature around 75F. Dew point will be around 61F with an average humidity of 44%. Winds will be 12 mph from the S.

  • 99|72°F
    Sunny

    Day

    99°F

    Sunny with scattered thunderstorms. Chance of storms 35%. High temperature around 99F. Dew point will be around 62F with an average humidity of 46%. Winds will be 5 mph from the S.

    Night

    72°F

    Clear with scattered thunderstorms. Chance of storms 50%. Low temperature around 72F. Dew point will be around 60F with an average humidity of 45%. Winds will be 6 mph from the E.

  • 90|69°F
    Sunny

    Day

    90°F

    Sunny with numerous thunderstorms. Chance of storms 65%. High temperature around 90F. Dew point will be around 62F with an average humidity of 53%. Winds will be 5 mph from the SE.

    Night

    69°F

    Clear with numerous thunderstorms. Chance of storms 70%. Low temperature around 69F. Dew point will be around 60F with an average humidity of 52%. Winds will be 5 mph from the E.

  • 91|69°F
    Sunny

    Day

    91°F

    Sunny with numerous thunderstorms. Chance of storms 70%. High temperature around 91F. Dew point will be around 61F with an average humidity of 53%. Winds will be 5 mph from the SE.

    Night

    69°F

    Clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 69F. Dew point will be around 59F with an average humidity of 52%. Winds will be 5 mph from the SE.