10-Day Weather Forecast - Sinai, SD
- |31°FFrozen MixHourly details
Tonight
31°FMostly cloudy with likely rain-snow mix. Chance of precipitation 100%. Low temperature around 31F. Dew point will be around 31F with an average humidity of 92%. Winds will be 19 mph from the E.
- 33|28°FFrozen MixHourly details
Day
33°FSnow likely. Freezing rain and sleet this morning then sleet likely with a chance of freezing rain this afternoon. Snow and sleet accumulation around half an inch. Ice accumulation around a tenth of an inch. Near steady temperature in the lower 30s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 90 percent.
Night
28°FCloudy. A chance of freezing rain after midnight. Ice accumulation around a trace. Lows in the mid 20s. Northeast winds 10 to 15 mph. Chance of precipitation 40 percent.
- 32|29°FFrozen MixHourly details
Day
32°FFreezing rain. Rain and snow in the afternoon. Little or no snow accumulation. Ice accumulation of a tenth to one quarter of an inch. Highs in the lower 30s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation near 100 percent.
Night
29°FSnow showers rain showers likely with a slight chance of freezing rain in the evening then a chance of snow showers after midnight. Light snow accumulation possible. Lows in the mid 20s. Northeast winds 10 to 15 mph becoming northwest 15 to 20 mph with gusts up to 30 mph after midnight. Chance of precipitation 70 percent.
Weekend Weather
- 35|23°F70% Chance Snow ShowersHourly details
Day
35°FSnow showers likely mainly in the morning. Additional light snow accumulation possible. Windy with highs in the mid 30s. Northwest winds 15 to 25 mph increasing to 25 to 30 mph in the afternoon. Chance of snow 70 percent.
Night
23°FPartly cloudy and breezy. Lows around 20.
- 46|30°FSunnyHourly details
Day
46°FSunny. Highs in the mid 40s.
Night
30°FPartly cloudy in the evening then becoming mostly cloudy. Lows in the mid 20s.
- 39|22°FMostly CloudyHourly details
Day
39°FMostly cloudy. Highs in the upper 30s.
Night
22°FMostly cloudy. Lows around 20.
- 43|37°FPartly SunnyHourly details
Day
43°FMostly cloudy in the morning then becoming partly sunny. Breezy with highs in the mid 40s.
Night
37°FPartly cloudy and breezy. Not as cool with lows in the mid 30s.
- 48|29°FPartly Sunny
Day
48°FPartly sunny and breezy. Not as cool with highs in the upper 50s.
Night
29°FCloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 29F. Dew point will be around 28F with an average humidity of 75%. Winds will be 10 mph from the N.
- 35|24°F40% Chance Frozen Mix
Day
35°FCloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 35F. Dew point will be around 23F with an average humidity of 70%. Winds will be 11 mph from the N.
Night
24°FCloudy with a chance of rain-snow mix. Chance of precipitation 40%. Low temperature around 24F. Dew point will be around 21F with an average humidity of 73%. Winds will be 9 mph from the NE.
- 37|27°F40% Chance Frozen Mix
Day
37°FCloudy with a chance of rain-snow mix. Chance of precipitation 35%. High temperature around 37F. Dew point will be around 22F with an average humidity of 68%. Winds will be 6 mph from the NE.
Night
27°FCloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 27F. Dew point will be around 23F with an average humidity of 73%. Winds will be 4 mph from the E.













