10-Day Weather Forecast - Lyons, SD

As of

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  • |71°F
    Partly Cloudy

    Tonight

    71°F

    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

    Hourly details
  • 91|70°F
    40% Chance of Storms

    Day

    91°F

    Partly sunny with a chance of showers and thunderstorms in the morning, then sunny in the afternoon. Humid with highs in the lower 90s. South winds around 10 mph with gusts up to 20 mph. Chance of rain 40 percent. Heat index values in the upper 90s in the afternoon.

    Night

    70°F

    Mostly clear. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph.

    Hourly details
  • 94|73°F
    Sunny

    Day

    94°F

    Sunny with highs in the lower 90s. East winds 5 to 10 mph.

    Night

    73°F

    Mostly clear. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph.

    Hourly details
  • 92|71°F
    Mostly Sunny

    Day

    92°F

    Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 20 percent.

    Night

    71°F

    Partly cloudy. A chance of showers and thunderstorms in the evening. Lows around 70. Chance of rain 40 percent.

    Hourly details
  • 89|70°F
    Mostly Sunny

    Day

    89°F

    Mostly sunny. Highs in the upper 80s.

    Night

    70°F

    Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

    Hourly details
  • 85|72°F
    50% Chance Rain Showers

    Day

    85°F

    Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the morning. Highs in the mid 80s. Chance of rain 50 percent.

    Night

    72°F

    Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms after midnight. Lows around 70. Chance of rain 50 percent.

    Hourly details
  • 83|66°F
    Mostly Sunny

    Day

    83°F

    Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s.

    Night

    66°F

    Partly cloudy. Lows in the lower 60s.

    Hourly details
  • 77|62°F
    Mostly Sunny

    Day

    77°F

    Mostly sunny. Highs in the lower 80s.

    Night

    62°F

    Mostly clear. Low temperature around 62F. Dew point will be around 62F with an average humidity of 81%. Winds will be 3 mph from the SW.

  • 76|60°F
    Sunny

    Day

    76°F

    Sunny. High temperature around 76F. Dew point will be around 60F with an average humidity of 69%. Winds will be 7 mph from the SW.

    Night

    60°F

    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 60F. Dew point will be around 59F with an average humidity of 77%. Winds will be 4 mph from the SW.

  • 73|59°F
    Mostly Sunny

    Day

    73°F

    Mostly sunny. High temperature around 73F. Dew point will be around 58F with an average humidity of 69%. Winds will be 7 mph from the SW.

    Night

    59°F

    Mostly clear. Low temperature around 59F. Dew point will be around 56F with an average humidity of 75%. Winds will be 3 mph from the SW.