Weather WorldSinai, SD 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Sinai, SD Weather Forecast
Sinai, SD Weather Forecast Date: 814 AM CDT Fri Oct 02 2026
The area/counties/county of: Brookings, including the city of Brookings.or toggle through each period.
Rest of Today... Cloudy. A chance of showers this afternoon. Highs around 60. Southeast winds 5 to 10 mph. Chance of rain 20%.
Tonight... Partly cloudy in the evening, then clearing. Lows in the upper 40s. South winds 15 to 20 mph. Gusts up to 35 mph after midnight.
Saturday... Mostly sunny. A chance of sprinkles in the afternoon. Breezy with highs in the upper 60s. Southwest winds 15 to 25 mph with gusts up to 35 mph.
Saturday Night... Mostly clear. Lows in the upper 40s. Northwest winds 5 to 10 mph.
Sunday... Sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph.
Sunday Night... Clear. Lows in the mid 40s.
Monday... Sunny. Highs in the mid 60s.
Monday Night... Mostly clear. Lows in the lower 50s.
Tuesday... Mostly sunny. Highs in the lower 70s.
Tuesday Night... Partly cloudy. Lows in the mid 50s.
Wednesday... Mostly sunny. Highs around 70.
Wednesday Night... Partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
Sinai Radar Loop
Use the map search tool if you want to place a location marker on the radar map...