South Heart, ND Weather & Growing Conditions
Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 69 in the afternoon. West wind 8 to 17 mph, with gusts as high as 28 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 8 to 17 mph W | 0% |
| Tonight | 49°F | Mostly Clear | 3 to 14 mph W | 1% |
| Wednesday | 83°F | Mostly Sunny | 8 to 13 mph W | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 6 to 12 mph SW | 1% |
| Thursday | 88°F | Sunny | 6 to 12 mph W | 0% |
| Thursday Night | 58°F | Mostly Clear | 5 to 9 mph E | 0% |
| Friday | 90°F | Sunny | 10 mph NE | 0% |
| Friday Night | 60°F | Mostly Clear | 8 to 12 mph NE | 1% |
| Saturday | 92°F | Sunny | 9 to 14 mph NE | 0% |
| Saturday Night | 59°F | Mostly Clear | 9 to 13 mph NE | 1% |
| Sunday | 90°F | Mostly Sunny | 9 to 16 mph E | 10% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 13 to 16 mph E | 29% |
| Monday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 15 mph E | 19% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 15 mph E | 31% |
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 Aug 4, 2026.