10-Day Weather Forecast - Sinai, SD
As of
- |69°FMostly ClearHourly details
Tonight
69°FMostly clear. Lows in the upper 60s. South winds 5 to 10 mph with gusts up to 20 mph, becoming east after midnight.
- 92|71°FSunnyHourly details
Day
92°FSunny with highs in the lower 90s. Northeast winds 5 to 10 mph.
Night
71°FMostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows around 70. East winds 5 to 10 mph. Chance of rain 20 percent.
Weekend Weather
- 89|72°F40% Chance of StormsHourly details
Day
89°FPartly sunny with a chance of showers and thunderstorms in the morning, then sunny in the afternoon. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
Night
72°FPartly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows around 70. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
- 83|70°F40% Chance of StormsHourly details
Day
83°FMostly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of rain 40 percent.
Night
70°FMostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent.
- 83|72°F50% Chance Rain ShowersHourly details
Day
83°FMostly cloudy in the morning, then becoming partly sunny. A chance of showers. Highs in the mid 80s. Chance of rain 50 percent.
Night
72°FA chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
- 84|63°FMostly SunnyHourly details
Day
84°FMostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s.
Night
63°FPartly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s.
- 79|62°FMostly SunnyHourly details
Day
79°FMostly sunny. Highs in the lower 80s.
Night
62°FPartly cloudy. Lows in the upper 50s.
- 77|61°FMostly Sunny
Day
77°FMostly sunny. Highs in the upper 70s.
Night
61°FPartly cloudy. Low temperature around 61F. Dew point will be around 60F with an average humidity of 81%. Winds will be 4 mph from the SE.
- 74|61°FMostly Sunny
Day
74°FMostly sunny. High temperature around 74F. Dew point will be around 61F with an average humidity of 76%. Winds will be 7 mph from the SE.
Night
61°FClear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 61F. Dew point will be around 61F with an average humidity of 83%. Winds will be 5 mph from the SE.
Weekend Weather
- 74|60°FSunny
Day
74°FSunny. High temperature around 74F. Dew point will be around 60F with an average humidity of 72%. Winds will be 5 mph from the S.
Night
60°FMostly clear. Low temperature around 60F. Dew point will be around 61F with an average humidity of 83%. Winds will be 4 mph from the SE.












