– Lat/Long: 48.78° N 113.73° W
Mount Grinnell Weather Forecast
Lewis Range · United StatesIssued: 11 am Mon 19 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Mon 19 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Grinnell Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Mild temperatures (max 5°C on Wed morning, min 1°C on Tue morning). Winds increasing (moderate winds from the WSW on Tue morning, near gales from the WSW by Wed night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 6°C on Thu night, min -7°C on Fri night). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the SSW by Fri night). | |||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | | | | |  |  |  |  |  | | | |
clear | some clouds | some clouds | clear | clear | clear | some clouds | clear | clear | clear | some clouds | snow shwrs | light snow | heavy snow | mod. snow | snow shwrs | some clouds | some clouds | |
Cloud base (m) | 8200 | 5650 | 4400 | 4600 | 8550 | 8850 | 6900 | 3500 | 1900 | 1950 | 1950 | 1900 | 1900 | 2050 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 11 | 9 | 2 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — | — | — | — | — | — |
max °C | 4 | 4 | 2 | 3 | 4 | 4 | 5 | 5 | 3 | 4 | 5 | 6 | 1 | -3 | -6 | -6 | -6 | -6 |
min °C | 2 | 3 | 2 | 1 | 4 | 4 | 4 | 4 | 3 | 3 | 5 | 1 | 0 | -5 | -7 | -7 | -7 | -7 |
chill °C | -5 | -4 | -6 | -5 | -1 | -2 | -2 | -3 | -4 | -3 | 1 | -4 | -3 | -12 | -10 | -14 | -16 | -15 |
Freezing level m | 3150 | 3200 | 3050 | 3050 | 3250 | 3450 | 3450 | 3400 | 3300 | 3250 | 3350 | 3550 | 2800 | 2050 | 1650 | 1550 | 1650 | 850 |
 | 8:00 | — | — | 8:02 | — | — | 8:03 | — | — | 8:04 | — | — | 8:06 | — | — | 8:07 | — | — |
 | — | 6:37 | — | — | 6:36 | — | — | 6:34 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — |
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Mount Grinnell Weather (Days 0-3):
The weather forecast for Mount Grinnell is: Mostly dry. Mild temperatures (max 5°C on Wed morning, min 1°C on Tue morning). Winds increasing (moderate winds from the WSW on Tue morning, near gales from the WSW by Wed night).
Mount Grinnell Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 6°C on Thu night, min -7°C on Fri night). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the SSW by Fri 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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