Current Weather Forecast for Sinai

SD 57061  |   5:25am

Weather Conditions

33°

Feels Like 18°

Cloudy/Wind

20° 48° HIGH WIND

HIGH WIND

0

UV Index

Good

Air Quality

W 35 mph

Wind

0 in

rain

Today

Wed 2/18

34°

Highest Temperature

6%

Cloudy and windy. High 34F. Winds WNW at 25 to 35 mph. Winds could occasionally gust over 50 mph.

Tonight

Wed 2/18

16°

Lowest Temperature

18%

Mostly cloudy. Low 16F. Winds NW at 10 to 20 mph.

Tomorrow

Thu 2/19

27°

Highest Temperature

18%

Overcast. A few flurries or snow showers possible. High 27F. Winds NNW at 15 to 25 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Sinai

Hourly Weather Forecast & Temperature

6AM

1%

31°

Feels Like 16°

HIGH WIND

Cloudy/Wind

W 33 mph

Wind

993 mb

Pressure

73%

Humidity

0

UV Index

10mi

Visibility

98%

Cloud Cover

7AM

3%

30°

Feels Like 14°

HIGH WIND

Cloudy/Wind

W 33 mph

Wind

994 mb

Pressure

69%

Humidity

0

UV Index

8mi

Visibility

97%

Cloud Cover

8AM

5%

30°

Feels Like 14°

HIGH WIND

Cloudy/Wind

W 32 mph

Wind

995 mb

Pressure

67%

Humidity

0

UV Index

8mi

Visibility

98%

Cloud Cover

9AM

6%

30°

Feels Like 14°

HIGH WIND

Cloudy/Wind

W 31 mph

Wind

996 mb

Pressure

67%

Humidity

0

UV Index

2.9mi

Visibility

98%

Cloud Cover

10AM

6%

29°

Feels Like 14°

HIGH WIND

Cloudy/Wind

W 30 mph

Wind

997 mb

Pressure

69%

Humidity

0

UV Index

4mi

Visibility

98%

Cloud Cover

11AM

6%

30°

Feels Like 14°

HIGH WIND

Cloudy/Wind

WNW 31 mph

Wind

998 mb

Pressure

66%

Humidity

1

UV Index

10mi

Visibility

98%

Cloud Cover

12PM

3%

31°

Feels Like 15°

WIND ADVISORY

2

Cloudy/Wind

WNW 32 mph

Wind

999 mb

Pressure

61%

Humidity

1

UV Index

10mi

Visibility

97%

Cloud Cover

1PM

1%

32°

Feels Like 18°

WIND ADVISORY

Cloudy/Wind

WNW 30 mph

Wind

999 mb

Pressure

57%

Humidity

1

UV Index

10mi

Visibility

98%

Cloud Cover

2PM

1%

33°

Feels Like 20°

WIND ADVISORY

Cloudy/Wind

WNW 29 mph

Wind

1000 mb

Pressure

55%

Humidity

1

UV Index

10mi

Visibility

93%

Cloud Cover

3PM

1%

34°

Feels Like 21°

WIND ADVISORY

Cloudy/Wind

WNW 27 mph

Wind

1001 mb

Pressure

54%

Humidity

1

UV Index

10mi

Visibility

94%

Cloud Cover

4PM

1%

34°

Feels Like 21°

Cloudy/Wind

WNW 25 mph

Wind

1002 mb

Pressure

53%

Humidity

0

UV Index

10mi

Visibility

85%

Cloud Cover

5PM

1%

32°

Feels Like 20°

Cloudy/Wind

WNW 22 mph

Wind

1003 mb

Pressure

56%

Humidity

0

UV Index

10mi

Visibility

84%

Cloud Cover

Wed 2/18

Wed

6%

20°

48°

HIGH WIND

Cloudy and windy. Highs in the mid 30s and lows in the mid teens.

14°

Feels Like

WNW 33 mph

Wind

63%

Humidity

1

UV Index

7:23 AM

Sunrise

6:01 PM

Sunset

Thu 2/19

Thu

18%

14°

27°

Mostly cloudy. Highs in the upper 20s and lows in the upper single digits.

3°

Feels Like

NNW 19 mph

Wind

72%

Humidity

1

UV Index

7:21 AM

Sunrise

6:03 PM

Sunset

Fri 2/20

Fri

17%

9°

23°

Clouds giving way to sun . Highs in the low 20s and lows in the upper single digits.

-7°

Feels Like

NW 15 mph

Wind

65%

Humidity

2

UV Index

7:20 AM

Sunrise

6:04 PM

Sunset

Sat 2/21

Sat

4%

7°

26°

Mix of sun and clouds. Highs in the mid 20s and lows in the low single digits.

-4°

Feels Like

NW 15 mph

Wind

58%

Humidity

2

UV Index

7:18 AM

Sunrise

6:05 PM

Sunset

Sun 2/22

Sun

3%

3°

21°

Times of sun and clouds. Highs in the low 20s and lows in the low single digits.

-15°

Feels Like

NNW 17 mph

Wind

56%

Humidity

3

UV Index

7:16 AM

Sunrise

6:07 PM

Sunset

Mon 2/23

Mon

3%

1°

30°

Mix of sun and clouds. Highs in the low 30s and lows in the upper teens.

-7°

Feels Like

SSE 16 mph

Wind

49%

Humidity

3

UV Index

7:15 AM

Sunrise

6:08 PM

Sunset

Tue 2/24

Tue

3%

17°

47°

Times of sun and clouds. Highs in the upper 40s and lows in the low 20s.

10°

Feels Like

SSW 15 mph

Wind

51%

Humidity

3

UV Index

7:13 AM

Sunrise

6:09 PM

Sunset

Wed 2/25

Wed

4%

22°

40°

Mix of sun and clouds. Highs in the low 40s and lows in the upper teens.

14°

Feels Like

NW 13 mph

Wind

53%

Humidity

3

UV Index

7:11 AM

Sunrise

6:11 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from South Dakota

Historic winter storm: 235 million in path of dangerous snow, ice with first impacts tonight

More than 235 million people across more than 40 states, from Arizona to Maine, are in the path of a potentially historic winter storm that's expected to extend over 2,000 miles and deliver crippling snow and ice, beginning Friday.

Pair of cross-country storms to bring rain, snow and severe weather threat to millions by late week

Two cross-country storms are expected to bring rain to millions across more than 30 states beginning Thursday, packing a severe weather threat for the Deep South and the potential for snow from the higher elevations of the Four Corners through the Central Plains and Upper Midwest.

See the top 5 wildest moments in weather caught on camera live from the field in 2025

The year 2025 has been filled with plenty of ups and downs in the world of weather, but not without some interesting moments caught on camera.

Christmas weather outlook: Millions to see 'nice' forecast with a touch of 'naughty' across nation

Naughty or nice, how will the weather be in your region on Christmas Day?

Load More Stories