Sylvan Lake, SD 10-Day Weather Charts

24 Hour Forecast

Current Conditions - Clear. Temperature is 77°F25°C, dew point 52°F11°C, humidity 41%. Wind direction is WSW at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 30.13 in1020 mb.

Late Today - Partly cloudy with a slight chance of showers and thunderstorms. Near steady temperature in the mid 70s. West winds 5 to 10 mph wi.. Full Forecast

Tonight - Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after mid.. Full Forecast

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10 Day High/Low Temp Chart

10 Day High/Low Temp Chart

10 Day POP Chart

10 Day Dew Point Chart

10 Day Dew Point Chart

10 Day Humidity Chart

10 Day UV Index Chart

10 Day Barometric Pressure Chart

10 Day Barometric Pressure Chart