Montrose, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montrose, a city in Mccook County, South Dakota.
Tonight
38°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 38. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Montrose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Chance Rain Showers | 15 to 20 mph NW | 37% |
| Wednesday | 44°F | Rain Showers Likely | 20 mph NW | 70% |
| Wednesday Night | 36°F | Chance Rain Showers then Cloudy | 15 mph NW | 41% |
| Thursday | 46°F | Partly Sunny | 10 to 15 mph NNW | 0% |
| Thursday Night | 30°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 mph SSE | 0% |
| Saturday | 53°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Saturday Night | 35°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 | 60°F | Sunny | 10 to 15 mph W | 0% |
| Monday Night | 38°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) for Montrose (43.700, -97.184). Updated through the day.
Growing snapshot for Montrose
Last spring frost
May 3
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
5a
More local growing data for Montrose: nearby ZIP 57048 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Montrose 8N, Sd (5.4 mi from Montrose). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.