Shell, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shell, a community in Big Horn County, Wyoming.
Overnight
31°F
Mostly Clear
Mostly clear. Low around 31, with temperatures rising to around 36 overnight. East southeast wind around 3 mph.
7-day forecast for Shell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 31°F | Mostly Clear | 3 mph ESE | 0% |
| Wednesday | 52°F | Mostly Sunny | 3 mph WNW | 0% |
| Wednesday Night | 34°F | Partly Cloudy | 3 mph E | 0% |
| Thursday | 56°F | Sunny | 3 mph SE | 0% |
| Thursday Night | 33°F | Mostly Cloudy | 2 mph NE | 5% |
| Friday | 52°F | Sunny | 3 mph SSE | 5% |
| Friday Night | 32°F | Mostly Clear | 0 to 3 mph E | 0% |
| Saturday | 55°F | Sunny | 0 to 3 mph SE | 0% |
| Saturday Night | 36°F | Mostly Clear | 6 mph ESE | 0% |
| Sunday | 64°F | Sunny | 5 mph SE | 0% |
| Sunday Night | 40°F | Partly Cloudy | 2 mph ENE | 0% |
| Monday | 61°F | Mostly Sunny | 2 mph NNE | 0% |
| Monday Night | 39°F | Mostly Cloudy | 2 mph E | 1% |
| Tuesday | 61°F | Mostly Sunny | 1 mph E | 0% |
Forecast source: National Weather Service (api.weather.gov) for Shell (44.535, -107.784). Updated through the day.
Growing snapshot for Shell
Last spring frost
May 16
First fall frost
Sep 24
Growing season
130 days
Hardiness zone
5a
More local growing data for Shell: nearby ZIP 82441 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Shell, Wy (8.3 mi from Shell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.