Morristown, SD Weather & Growing Conditions
Overnight
44°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 44. West northwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Patchy Smoke | 7 mph WNW | 0% |
| Tuesday | 76°F | Patchy Smoke then Sunny | 6 to 13 mph WNW | 0% |
| Tuesday Night | 50°F | Mostly Clear | 2 to 9 mph NW | 0% |
| Wednesday | 84°F | Sunny | 2 to 9 mph WSW | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 7 mph SSW | 1% |
| Thursday | 92°F | Sunny | 3 to 9 mph W | 0% |
| Thursday Night | 58°F | Mostly Clear | 2 to 8 mph NNE | 1% |
| Friday | 92°F | Sunny | 5 to 10 mph NNE | 0% |
| Friday Night | 60°F | Mostly Clear | 9 mph E | 0% |
| Saturday | 95°F | Sunny | 7 to 13 mph NE | 1% |
| Saturday Night | 59°F | Mostly Clear | 7 to 12 mph NE | 2% |
| Sunday | 92°F | Mostly Sunny | 7 to 17 mph E | 13% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 to 16 mph E | 31% |
| Monday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 17 mph ENE | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Morristown, SD
Last spring frost
May 10
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
4b
Explore more for Morristown, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Lemmon, Sd (18.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.