South Heart, ND Weather & Growing Conditions
Tonight
56°F
Mostly Cloudy then Patchy Fog
Patchy fog after 3am. Mostly cloudy, with a low around 56. Southeast wind 3 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Cloudy then Patchy Fog | 3 to 9 mph SE | 8% |
| Saturday | 63°F | Patchy Fog then Rain Showers Likely | 5 to 13 mph E | 68% |
| Saturday Night | 51°F | Rain Showers | 15 mph E | 81% |
| Sunday | 60°F | Rain Showers Likely | 15 mph E | 62% |
| Sunday Night | 49°F | Slight Chance Rain Showers then Cloudy | 8 to 12 mph E | 22% |
| Monday | 66°F | Mostly Cloudy | 8 to 14 mph SE | 5% |
| Monday Night | 49°F | Mostly Cloudy | 15 mph SE | 2% |
| Tuesday | 71°F | Partly Sunny | 16 to 21 mph SE | 2% |
| Tuesday Night | 52°F | Partly Cloudy | 13 to 18 mph SE | 5% |
| Wednesday | 78°F | Mostly Sunny | 9 to 13 mph S | 9% |
| Wednesday Night | 53°F | Mostly Clear | 7 to 10 mph S | 13% |
| Thursday | 80°F | Sunny | 7 to 12 mph SE | 4% |
| Thursday Night | 53°F | Partly Cloudy | 9 to 14 mph SE | 6% |
| Friday | 79°F | Mostly Sunny | 14 to 18 mph SE | 4% |
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 Sep 19, 2026.