Montrose, SD Weather & Growing Conditions
Overnight
37°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 37, with temperatures rising to around 40 overnight. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Chance Rain Showers | 15 to 20 mph NW | 34% |
| Wednesday | 44°F | Rain Showers Likely | 20 mph NW | 71% |
| Wednesday Night | 36°F | Chance Rain Showers then Cloudy | 15 mph NW | 42% |
| Thursday | 45°F | Mostly Cloudy | 10 to 15 mph NNW | 0% |
| Thursday Night | 30°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 44°F | Mostly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 29°F | Partly Cloudy | 5 mph SSE | 0% |
| Saturday | 52°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph WNW | 4% |
| Sunday | 57°F | Sunny | 5 to 10 mph SW | 2% |
| Sunday Night | 38°F | Mostly Clear | 10 mph S | 0% |
| Monday | 59°F | Mostly Sunny | 10 to 15 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Tuesday | 57°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
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 Nov 4, 2026.