Local Forecast

Sinai, SD Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Sinai, SD.

Active Alerts 1 active

Hour-by-Hour  Current Observation

Monday 6:55 AM CDTMonday 6:55 AM

°F °C
Regional Observations →
75°F

Clear

  • 95° / 64° High / Low
  • 75° Feels Like
  • 0% Chance of Rain

Wind

10 mph

SSE

UV Index

2

Low

Humidity

100%

Dew 75°F

Sun

5:46 AM · 9:15 PM

Rise · Set

Source: MADISON (KMDS). Slider scrubs the next 12 hours.

5-Day Outlook

Through Friday

Local Radar →

Today

95° 64°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Today

Sunny. High near 93, with temperatures falling to around 90 in the afternoon. South wind 15 to 25 mph, with gusts as high as 40 mph.

Night

Mostly clear, with a low around 64. Southwest wind 10 to 20 mph, with gusts as high as 35 mph.

Tuesday

89° 66°

Mostly Sunny

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Tuesday

Sunny, with a high near 88. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Night

A chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

Wednesday

89° 66°

Thunderstorms Likely

Overnight: Partly Cloudy

Detailed forecast

Wednesday

A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Night

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. Chance of precipitation is 50%.

Thursday

91° 68°

Isolated T-storm

Overnight: Scattered Thunderstorms Likely

Detailed forecast

Thursday

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.

Night

A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 70%.

Friday

93° 71°

Partly Sunny

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Friday

A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

Night

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 69. Chance of precipitation is 40%.

Sinai, SD Weather Analysis Tools