– Lat/Long: 48.78° N 113.73° W
Mount Grinnell Weather Forecast
Lewis Range · United StatesIssued: 5 pm Fri 09 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Fri 09 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Grinnell Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -11°C on Sat night). Winds decreasing (severe gales from the WSW on Fri afternoon, calm by Sun night). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 3°C on Tue morning, min -6°C on Thu morning). Winds increasing (calm on Tue morning, strong winds from the WNW by Wed night). | ||||||||||||||||
Fri 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  |  | |  | | | | | | | |
some clouds | snow shwrs | snow shwrs | snow shwrs | light snow | light snow | cloudy | some clouds | clear | clear | clear | clear | clear | some clouds | clear | clear | snow shwrs | |
Cloud base (m) | 9200 | 2300 | 1950 | 2100 | 1950 | 1900 | 2000 | 2000 | 1950 | 2600 | |||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | 2 | 1 | 2 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | 2 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 3 | -1 | -7 | -9 | -11 | -10 | -7 | -4 | -1 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 1 |
min °C | 0 | -5 | -8 | -10 | -11 | -11 | -9 | -7 | -3 | 1 | 2 | 2 | 3 | 2 | 2 | 1 | -4 |
chill °C | -10 | -5 | -15 | -19 | -21 | -19 | -14 | -7 | -3 | -2 | 0 | 1 | 0 | -2 | -2 | -6 | -10 |
Freezing level m | 3150 | 2350 | 1500 | 1550 | 1050 | 900 | 1300 | 500 | 1100 | 2850 | 1400 | 3450 | 3350 | 3450 | 3300 | 3000 | 2650 |
 | — | — | 7:47 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — |
 | 6:57 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — |
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Mount Grinnell Weather (Days 0-3):
The weather forecast for Mount Grinnell is: A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -11°C on Sat night). Winds decreasing (severe gales from the WSW on Fri afternoon, calm by Sun night).
Mount Grinnell Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 3°C on Tue morning, min -6°C on Thu morning). Winds increasing (calm on Tue morning, strong winds from the WNW by Wed night).
This table gives the weather forecast for Mount Grinnell at the specific elevation of 2698 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Grinnell. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Montana.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
Carway-Alta | |||||
 | |||||
WatertonParkGate- Alta | |||||
Bullhorn Headwaters- Alta | |||||
Cardston- Alta | |||||
| |||||
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.
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