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Lake Sinai, SD
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7-Day Forecast
This Afternoon
Mostly Sunny and Breezy
High: 74°
Mostly sunny with a high near 74. Breezy with a south wind around 20 mph with gusts as high as 30 mph.
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Tonight
Mostly Cloudy
Low: 47°
Mostly cloudy with a low around 47. South wind around 15 mph with gusts as high as 30 mph.
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Friday
Partly Sunny and Breezy
High: 71°
Partly sunny with a high near 71. Breezy with a south southeast wind 15 to 20 mph with gusts as high as 30 mph.
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Friday Night
Rain and Blustery then Wintry Mix and Windy
Low: 26°
Rain before 4am, then rain, snow and freezing rain, possibly mixed with sleet. Some thunder is also possible. Low around 26. Windy with an east wind 15 to 20 mph becoming north northwest 25 to 30 mph in the evening. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
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Saturday
Wintry Mix and Patchy Blowing Snow
High: 30°
Snow and freezing rain, possibly mixed with sleet before 7am, then snow, possibly mixed with sleet between 7am and 10am, then snow after 10am. Patchy blowing snow. Steady temperature around 30. Windy with a northwest wind 30 to 35 mph with gusts as high as 50 mph. Chance of precipitation is 80%. New snow and sleet accumulation of around 2 inches.
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Saturday Night
Patchy Blowing Snow and Blustery then Mostly Clear
Low: 14°
Patchy blowing snow before 10pm. Partly cloudy with a low around 14. Blustery with a northwest wind 15 to 20 mph with gusts as high as 35 mph.
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Sunday
Mostly Sunny
High: 38°
Mostly sunny with a high near 38.
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Sunday Night
Partly Cloudy
Low: 23°
Partly cloudy with a low around 23.
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Monday
Sunny
High: 56°
Sunny with a high near 56.
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Monday Night
Partly Cloudy
Low: 32°
Partly cloudy with a low around 32.
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Tuesday
Mostly Sunny then Slight Chance Rain and Breezy
High: 50°
A 20% chance of rain. Mostly sunny with a high near 50. Breezy.
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Tuesday Night
Chance Snow and Blustery
Low: 19°
A 50% chance of snow. Mostly cloudy with a low around 19. Blustery.
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Wednesday
Chance Snow and Breezy
High: 37°
A 40% chance of snow. Partly sunny with a high near 37. Breezy.
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Wednesday Night
Slight Chance Snow and Blustery
Low: 17°
A 20% chance of snow. Partly cloudy with a low around 17. Blustery.
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Thursday
Sunny
High: 45°
Sunny with a high near 45.
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Source: National Weather Service
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