– Lat/Long: 48.78° N 113.73° W
Mount Grinnell Weather Forecast
Lewis Range · United StatesIssued: 5 pm Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 5 pm Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Grinnell Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 12°C on Thu night, min 4°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, near gales from the WSW by Wed night). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Fri afternoon. Freeze-thaw conditions (max 3°C on Fri afternoon, min -6°C on Fri night). Winds decreasing (severe gales from the WSW on Fri night, light winds from the SW by Sat night). | ||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | |  |  | |  | | |  |  | |
some clouds | some clouds | clear | some clouds | clear | clear | clear | clear | some clouds | light snow | light snow | light snow | snow shwrs | some clouds | some clouds | cloudy | cloudy | |
Cloud base (m) | 6950 | 7050 | 9300 | 9500 | 8850 | 4800 | 3200 | 1900 | 1900 | 1900 | 5850 | 3000 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | 2 | 3 | 2 | 1 | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 8 | 6 | 5 | 5 | 5 | 7 | 10 | 12 | 11 | 3 | -2 | -6 | -3 | 1 | 3 | 3 | 1 |
min °C | 7 | 6 | 5 | 5 | 4 | 5 | 9 | 10 | 8 | 0 | -6 | -6 | -5 | -3 | 2 | 2 | -1 |
chill °C | 5 | 3 | -1 | 0 | -3 | -1 | 5 | 6 | 2 | -8 | -18 | -16 | -13 | -9 | -3 | -4 | -5 |
Freezing level m | 3650 | 3650 | 3500 | 3350 | 3550 | 3600 | 3950 | 4300 | 4300 | 3100 | 2100 | 1750 | 2000 | 2050 | 3200 | 3100 | 2950 |
 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — |
 | 7:32 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — |
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Mount Grinnell Weather (Days 0-3):
The weather forecast for Mount Grinnell is: Mostly dry. Very mild (max 12°C on Thu night, min 4°C on Wed night). Winds increasing (light winds from the WSW on Tue afternoon, near gales from the WSW by Wed night).
Mount Grinnell Weather (Days 3-6):
A light covering of new snow mostly falling on Fri afternoon. Freeze-thaw conditions (max 3°C on Fri afternoon, min -6°C on Fri night). Winds decreasing (severe gales from the WSW on Fri night, light winds from the SW by Sat 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 | |||||
| |||||
Bullhorn Coulee Reservoir- 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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