Shell Valley, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shell Valley, a community in Rolette County, North Dakota.
Overnight
46°F
Mostly Clear
Mostly clear, with a low around 46. West wind around 7 mph, with gusts as high as 18 mph.
7-day forecast for Shell Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Mostly Clear | 7 mph W | 0% |
| Tuesday | 69°F | Mostly Sunny | 7 to 16 mph W | 0% |
| Tuesday Night | 49°F | Mostly Clear | 5 to 14 mph W | 0% |
| Wednesday | 77°F | Mostly Sunny | 7 to 18 mph W | 8% |
| Wednesday Night | 54°F | Slight Chance Showers And Thunderstorms | 6 to 16 mph W | 16% |
| Thursday | 80°F | Sunny | 6 to 16 mph W | 1% |
| Thursday Night | 55°F | Mostly Clear | 6 to 14 mph NW | 1% |
| Friday | 77°F | Sunny | 6 to 13 mph NW | 1% |
| Friday Night | 54°F | Partly Cloudy | 3 to 9 mph N | 7% |
| Saturday | 77°F | Mostly Sunny | 3 to 10 mph N | 7% |
| Saturday Night | 54°F | Mostly Clear | 6 to 10 mph N | 13% |
| Sunday | 75°F | Mostly Sunny | 6 to 9 mph N | 13% |
| Sunday Night | 55°F | Chance Rain Showers | 6 to 10 mph NE | 31% |
| Monday | 75°F | Chance Rain Showers then Mostly Sunny | 6 to 9 mph NE | 31% |
Forecast source: National Weather Service (api.weather.gov) for Shell Valley (48.809, -99.827). Updated through the day.
Growing snapshot for Shell Valley
Last spring frost
May 19
First fall frost
Sep 24
Growing season
126 days
Hardiness zone
3b
More local growing data for Shell Valley: nearby ZIP 58316 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Belcourt Keya Radio, Nd (2.3 mi from Shell Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.