Shell, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shell, a community in Big Horn County, Wyoming.
Today
52°F
Mostly Sunny
Mostly sunny. High near 52, with temperatures falling to around 48 in the afternoon. West southwest wind around 3 mph.
7-day forecast for Shell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Mostly Sunny | 3 mph WSW | 0% |
| Tonight | 33°F | Partly Cloudy | 5 mph SE | 0% |
| Thursday | 58°F | Sunny | 1 to 5 mph SE | 0% |
| Thursday Night | 33°F | Mostly Cloudy | 1 to 6 mph ENE | 14% |
| Friday | 52°F | Sunny | 3 mph SSE | 2% |
| Friday Night | 32°F | Mostly Clear | 0 to 5 mph E | 0% |
| Saturday | 56°F | Sunny | 0 to 3 mph SE | 0% |
| Saturday Night | 37°F | Mostly Clear | 6 mph ESE | 0% |
| Sunday | 64°F | Sunny | 1 to 5 mph SE | 0% |
| Sunday Night | 39°F | Partly Cloudy | 1 mph E | 1% |
| Monday | 61°F | Mostly Sunny | 2 mph N | 0% |
| Monday Night | 39°F | Mostly Cloudy | 2 mph ESE | 0% |
| Tuesday | 61°F | Mostly Sunny | 1 mph S | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 2 mph E | 2% |
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.