Vermillion, SD Weather & Growing Conditions
Today
72°F
Patchy Smoke
Patchy smoke and a chance of showers and thunderstorms before 9am, then patchy smoke and showers and thunderstorms between 9am and 3pm, then scattered showers and thunderstorms. Mostly cloudy, with a high near 72. North wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Patchy Smoke | 5 to 15 mph N | 82% |
| Tonight | 54°F | Scattered Rain Showers then Mostly Cloudy | 0 to 5 mph NW | 51% |
| Wednesday | 76°F | Mostly Sunny | 0 to 5 mph ESE | 2% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph SSE | 0% |
| Thursday | 83°F | Sunny | 5 to 15 mph S | 0% |
| Thursday Night | 64°F | Mostly Clear | 5 to 10 mph S | 3% |
| Friday | 88°F | Sunny | 5 to 15 mph SSW | 3% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph SSE | 11% |
| Saturday | 91°F | Sunny | 5 to 15 mph S | 4% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph SSE | 15% |
| Sunday | 90°F | Mostly Sunny | 10 to 15 mph SE | 12% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph ESE | 16% |
| Monday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph E | 16% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vermillion, SD
Last spring frost
May 3
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5a
Explore more for Vermillion, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Vermillion 2 Se, Sd (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.