10-Day Weather Forecast - Longlake, SD

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  • |24°F
    Mostly Cloudy
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    Tonight

    24°F

    Mostly cloudy. Areas of fog late this evening. Widespread dense freezing fog. Patchy fog. Lows in the lower 20s. Temperature rising into the upper 20s. Southeast winds 5 to 10 mph becoming south.

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  • Weekend Weather

  • Day

    37°F

    Partly sunny. Highs in the mid 30s. West winds 5 to 10 mph becoming north in the afternoon.

    Night

    11°F

    Mostly cloudy. A chance of snow after midnight. Little or no snow accumulation. Very windy and much colder with lows around 4 above. Northwest winds 25 to 35 mph. Gusts up to 50 mph after midnight. Chance of snow 40 percent.

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  • Day

    9°F

    Mostly cloudy with a slight chance of snow in the morning then partly sunny in the afternoon. Very windy and much colder. Near steady temperature around 6 above. Temperature falling to around 5 above in the afternoon. Northwest winds 30 to 35 mph with gusts up to 50 mph. Chance of snow 20 percent. Wind chill values as low as 21 below.

    Night

    0°F

    Mostly cloudy in the evening then becoming partly cloudy. Windy cold with lows around 2 below. Northwest winds 20 to 30 mph with gusts up to 40 mph. Wind chill values as low as 23 below.

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  • Day

    11°F

    Mostly sunny. Highs 15 to 20. Wind chill values as low as 25 below.

    Night

    10°F

    Mostly cloudy. Lows around 10 above. Highs in the mid 30s.

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  • Day

    33°F

    Mostly cloudy. Lows around 10 above. Highs in the mid 30s.

    Night

    12°F

    Mostly cloudy with a 30 percent chance of snow. Lows 5 to 10 above. Highs 10 to 15.

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  • Day

    12°F

    Mostly cloudy with a 30 percent chance of snow. Lows 5 to 10 above. Highs 10 to 15.

    Night

    -2°F

    Mostly cloudy. Colder with lows 5 below to 10 below zero. Wind chill values as low as 20 below.

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  • Day

    5°F

    Partly sunny. Highs 5 to 10 above. Wind chill values as low as 25 below.

    Night

    3°F

    Mostly cloudy. Lows 5 below to zero. Highs 15 to 20. Wind chill values as low as 20 below.

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  • Day

    15°F

    Mostly cloudy. Lows 5 below to zero. Highs 15 to 20. Wind chill values as low as 20 below.

    Night

    12°F

    Mostly clear. Low temperature around 12F. Dew point will be around 7F with an average humidity of 79%. Winds will be 2 mph from the SE.

  • Weekend Weather

  • Day

    19°F

    Mostly cloudy. High temperature around 18F. Dew point will be around 10F with an average humidity of 73%. Winds will be 5 mph from the NW.

    Night

    14°F

    Clear. Low temperature around 14F. Dew point will be around 10F with an average humidity of 79%. Winds will be 3 mph from the NW.

  • Day

    19°F

    Mostly sunny with a slight chance of snow. Chance of precipitation 25%. High temperature around 19F. Dew point will be around 10F with an average humidity of 72%. Winds will be 5 mph from the NW.

    Night

    14°F

    Mostly cloudy. Low temperature around 14F. Dew point will be around 9F with an average humidity of 75%. Winds will be 1 mph from the N.