Milbank, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milbank, a city in Grant County, South Dakota.
Tonight
39°F
Light Rain
Rain likely before 9pm, then rain and patchy fog. Cloudy. Low around 39, with temperatures rising to around 42 overnight. North northwest wind 15 to 23 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Milbank
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Light Rain | 15 to 23 mph NNW | 91% |
| Wednesday | 44°F | Light Rain | 20 mph NNW | 91% |
| Wednesday Night | 34°F | Chance Light Rain then Mostly Cloudy | 14 to 18 mph NNW | 46% |
| Thursday | 41°F | Mostly Cloudy | 10 to 16 mph NNW | 6% |
| Thursday Night | 30°F | Mostly Cloudy | 2 to 9 mph N | 0% |
| Friday | 44°F | Partly Sunny | 3 mph SSE | 0% |
| Friday Night | 30°F | Partly Cloudy | 5 mph SSW | 0% |
| Saturday | 55°F | Mostly Sunny | 5 to 10 mph WSW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 9 mph WNW | 4% |
| Sunday | 57°F | Sunny | 8 mph WSW | 2% |
| Sunday Night | 38°F | Partly Cloudy | 8 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 8 to 14 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 8 mph WNW | 0% |
| Tuesday | 54°F | Mostly Sunny | 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Milbank (45.219, -96.634). Updated through the day.
Growing snapshot for Milbank
Last spring frost
May 5
First fall frost
Oct 2
Growing season
150 days
Hardiness zone
4b
More local growing data for Milbank: nearby ZIP 57252 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Milbank, Sd (1.9 mi from Milbank). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.