National Weather Service forecast

Sinai, South Dakota Weather

37°Overnight: Rain Showers Likely
Wind NW 20 mph
7-DayHourlyRadar

Sinai 7-Day Forecast

  1. Overnight
    37°F
    Rain Showers Likely
    60% chance of precipitation

    Rain showers likely. Cloudy. Low around 37, with temperatures rising to around 40 overnight. Northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

  2. Wednesday
    43°F
    Rain Showers
    78% chance of precipitation

    Rain showers. Mostly cloudy, with a high near 43. Northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    34°F
    Chance Rain Showers then Mostly Cloudy
    54% chance of precipitation

    A chance of rain showers before 9pm. Mostly cloudy, with a low around 34. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

  4. Thursday
    43°F
    Mostly Cloudy

    Mostly cloudy. High near 43, with temperatures falling to around 40 in the afternoon. North wind 10 to 15 mph, with gusts as high as 25 mph.

  5. Thursday Night
    28°F
    Mostly Cloudy

    Mostly cloudy, with a low around 28. North northeast wind 0 to 10 mph.

  6. Friday
    43°F
    Mostly Sunny

    Mostly sunny, with a high near 43. Southeast wind 0 to 5 mph.

  7. Friday Night
    28°F
    Partly Cloudy

    Partly cloudy, with a low around 28.

  8. Saturday
    52°F
    Sunny

    Sunny, with a high near 52.

  9. Saturday Night
    33°F
    Mostly Clear

    Mostly clear, with a low around 33.

  10. Sunday
    54°F
    Sunny

    Sunny, with a high near 54.

  11. Sunday Night
    37°F
    Mostly Clear

    Mostly clear, with a low around 37.

  12. Monday
    58°F
    Sunny

    Sunny, with a high near 58.

  13. Monday Night
    36°F
    Mostly Clear

    Mostly clear, with a low around 36.

  14. Tuesday
    56°F
    Mostly Sunny
    1% chance of precipitation

    Mostly sunny, with a high near 56.

Issued by the National Weather Service (FSD office), updated .

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About Sinai

Population (2020 Census)
99
Coordinates
44.245, -97.044
Elevation
1,749 ft
NWS forecast office
FSD
Time zone
America/Chicago
Sunrise today
7:08 AM CST
Sunset today
5:14 PM CST
Daylight today
10 h 5 min

Sinai Weather Questions

What is the weather forecast for Sinai, South Dakota?

Overnight: Rain showers likely. Cloudy. Low around 37, with temperatures rising to around 40 overnight. Northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. Wednesday: Rain showers. Mostly cloudy, with a high near 43. Northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Sinai this week?

The best chance of precipitation is Wednesday at 78%. Periods with a 30% chance or more: Overnight (60%), Wednesday (78%), Wednesday Night (54%).

How warm and how cold will it get in Sinai this week?

The warmest day is Monday, with a high near 58°F. The coldest night is Thursday Night, with a low near 28°F.

What time are sunrise and sunset in Sinai today?

Sunrise is at 7:08 AM CST and sunset is at 5:14 PM CST, for 10 h 5 min of daylight.

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