South Heart, ND Weather & Growing Conditions
This Afternoon
48°F
Sunny
Sunny. High near 48, with temperatures falling to around 37 in the afternoon. Northwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Sunny | 10 mph NW | 0% |
| Tonight | 25°F | Mostly Clear | 7 mph NW | 0% |
| Wednesday | 52°F | Mostly Sunny | 6 to 10 mph NW | 0% |
| Wednesday Night | 26°F | Partly Cloudy | 2 to 7 mph NW | 0% |
| Thursday | 52°F | Mostly Sunny | 2 to 6 mph S | 0% |
| Thursday Night | 29°F | Partly Cloudy | 8 mph S | 0% |
| Friday | 55°F | Sunny | 6 to 12 mph W | 0% |
| Friday Night | 34°F | Partly Cloudy | 7 to 16 mph SW | 4% |
| Saturday | 56°F | Sunny | 9 to 21 mph W | 4% |
| Saturday Night | 31°F | Mostly Clear | 9 mph SW | 0% |
| Sunday | 63°F | Sunny | 8 to 14 mph SW | 0% |
| Sunday Night | 40°F | Partly Cloudy | 10 to 16 mph W | 0% |
| Monday | 57°F | Sunny | 7 to 18 mph NW | 0% |
| Monday Night | 33°F | Partly Cloudy | 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Heart, ND
Last spring frost
May 18
First fall frost
Sep 25
Growing season
129 days
Hardiness zone
4b
Explore more for South Heart, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Theodore Roosevelt Ap, Nd (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.