Montrose, SD Weather & Growing Conditions
Tonight
61°F
Patchy Fog
Patchy fog after 8pm. Cloudy, with a low around 61. Northeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Patchy Fog | 5 to 10 mph NE | 6% |
| Saturday | 67°F | Patchy Fog then Cloudy | 10 to 15 mph NNE | 11% |
| Saturday Night | 55°F | Mostly Cloudy | 10 to 15 mph NE | 3% |
| Sunday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Sunday Night | 52°F | Rain Showers Likely | 10 to 15 mph ENE | 60% |
| Monday | 61°F | Rain Showers Likely | 10 to 15 mph E | 60% |
| Monday Night | 47°F | Mostly Cloudy | 5 to 10 mph E | 9% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph ESE | 3% |
| Tuesday Night | 49°F | Partly Cloudy | 10 mph SE | 3% |
| Wednesday | 68°F | Partly Sunny | 10 to 15 mph SSE | 12% |
| Wednesday Night | 53°F | Chance Rain Showers | 10 mph SSE | 39% |
| Thursday | 68°F | Slight Chance Showers And Thunderstorms | 10 mph SSE | 39% |
| Thursday Night | 54°F | Mostly Cloudy | 5 to 10 mph SE | 11% |
| Friday | 70°F | Partly Sunny | 10 to 15 mph SE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Montrose, SD
Last spring frost
May 3
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
5a
Explore more for Montrose, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Montrose 8N, Sd (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.