Shell, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shell, a community in Big Horn County, Wyoming.
Overnight
55°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 55. East southeast wind around 3 mph.
7-day forecast for Shell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Areas Of Smoke | 3 mph ESE | 0% |
| Tuesday | 80°F | Areas Of Smoke | 1 to 7 mph SW | 1% |
| Tuesday Night | 55°F | Smoke | 2 to 9 mph ENE | 13% |
| Wednesday | 87°F | Sunny | 2 to 7 mph SW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 2 to 9 mph NNE | 0% |
| Thursday | 94°F | Sunny | 2 to 6 mph WSW | 0% |
| Thursday Night | 63°F | Mostly Clear | 3 to 8 mph NNE | 0% |
| Friday | 98°F | Sunny | 1 to 6 mph SW | 0% |
| Friday Night | 66°F | Mostly Clear | 9 mph NNE | 0% |
| Saturday | 98°F | Sunny | 2 to 7 mph SSE | 0% |
| Saturday Night | 67°F | Mostly Clear | 8 mph NE | 0% |
| Sunday | 97°F | Sunny | 3 to 7 mph S | 2% |
| Sunday Night | 66°F | Partly Cloudy | 8 mph NE | 3% |
| Monday | 96°F | Sunny | 3 to 7 mph SSW | 3% |
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 Aug 4, 2026.