10-Day Weather Forecast - Gann Valley, SD

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  • 36|30°F
    Partly Sunny
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    Today

    36°F

    Partly sunny. Not as cold with highs around 40. South winds 15 to 20 mph with gusts up to 40 mph.

    Tonight

    30°F

    Mostly cloudy. Not as cold with lows in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

    Hourly details
  • Weekend Weather

  • Day

    35°F

    Mostly sunny. Highs in the upper 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

    Night

    21°F

    Mostly clear. Colder with lows around 16. Northeast winds 5 to 10 mph becoming south after midnight.

    Hourly details
  • Day

    37°F

    Partly sunny. Highs in the lower 40s. Southeast winds 10 to 15 mph.

    Night

    31°F

    Mostly cloudy. Not as cold with lows in the upper 20s.

    Hourly details
  • Day

    45°F

    Partly sunny. Not as cool with highs in the lower 50s.

    Night

    29°F

    Mostly cloudy. Lows in the upper 20s. Highs in the lower 40s.

    Hourly details
  • Day

    38°F

    Mostly cloudy. Lows in the upper 20s. Highs in the lower 40s.

    Night

    32°F

    Mostly cloudy. Lows in the upper 20s. Highs in the lower 40s.

    Hourly details
  • Day

    44°F

    Partly cloudy. Highs in the mid 50s. Lows in the lower 30s.

    Night

    37°F

    Partly cloudy. Highs in the mid 50s. Lows in the lower 30s.

    Hourly details
  • Day

    44°F

    Partly sunny. Highs in the upper 40s.

    Night

    31°F

    Partly cloudy. Low temperature around 31F. Dew point will be around 29F with an average humidity of 79%. Winds will be 5 mph from the S.

  • Day

    45°F

    Mostly sunny. High temperature around 45F. Dew point will be around 29F with an average humidity of 71%. Winds will be 5 mph from the S.

    Night

    29°F

    Partly cloudy. Low temperature around 29F. Dew point will be around 28F with an average humidity of 81%. Winds will be 3 mph from the NW.

  • Weekend Weather

  • Day

    34°F

    Mostly sunny. High temperature around 34F. Dew point will be around 24F with an average humidity of 72%. Winds will be 4 mph from the NW.

    Night

    25°F

    Clear. Low temperature around 25F. Dew point will be around 22F with an average humidity of 78%. Winds will be 4 mph from the NW.

  • Day

    31°F

    Sunny. High temperature around 31F. Dew point will be around 21F with an average humidity of 71%. Winds will be 2 mph from the NW.

    Night

    26°F

    Clear. Low temperature around 26F. Dew point will be around 21F with an average humidity of 77%. Winds will be 4 mph from the S.