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
54°F
Areas Of Drizzle
Areas of drizzle and patchy fog before 4am, then patchy fog and a slight chance of drizzle. Cloudy, with a low around 54. Southwest wind around 1 mph. Chance of precipitation is 30%.
7-day forecast for Shell Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Areas Of Drizzle | 1 mph SW | 30% |
| Saturday | 64°F | Patchy Fog | 1 to 16 mph N | 22% |
| Saturday Night | 42°F | Mostly Cloudy | 9 to 15 mph NE | 1% |
| Sunday | 63°F | Mostly Cloudy | 7 to 10 mph E | 3% |
| Sunday Night | 39°F | Partly Cloudy | 6 mph SE | 0% |
| Monday | 66°F | Sunny | 3 to 10 mph SE | 0% |
| Monday Night | 43°F | Mostly Clear | 9 mph S | 0% |
| Tuesday | 66°F | Mostly Sunny | 8 to 20 mph S | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 13 to 16 mph S | 4% |
| Wednesday | 68°F | Partly Sunny | 13 to 17 mph S | 4% |
| Wednesday Night | 51°F | Partly Cloudy | 9 to 15 mph SE | 10% |
| Thursday | 71°F | Mostly Sunny | 8 to 13 mph S | 10% |
| Thursday Night | 53°F | Partly Cloudy | 12 mph S | 7% |
| Friday | 71°F | Mostly Sunny | 9 to 17 mph S | 10% |
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 Sep 19, 2026.