– Lat/Long: 48.78° N 113.73° W
Mount Grinnell Weather Forecast
Lewis Range · United StatesIssued: 11 am Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Sun 18 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Grinnell Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -2°C on Sun morning). Winds increasing (light winds from the SW on Sun morning, strong winds from the WSW by Sun night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Fri afternoon. Freeze-thaw conditions (max 6°C on Wed afternoon, min -10°C on Fri night). Winds decreasing (near gales from the WSW on Wed night, light winds from the W by Fri night). | |||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  | | | | | | | |  | | |  |  | |
clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | rain shwrs | some clouds | clear | light snow | snow shwrs | |
Cloud base (m) | 6100 | 6450 | 4600 | 7700 | 8200 | 8600 | 8150 | 3350 | 2150 | 1950 | 2050 | 2050 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 2 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.4 | — | — | — | — |
max °C | -1 | 1 | 2 | 4 | 4 | 2 | 3 | 4 | 4 | 5 | 6 | 3 | 3 | 3 | 2 | -1 | -5 | -9 |
min °C | -2 | 0 | 1 | 2 | 3 | 1 | 1 | 3 | 3 | 4 | 4 | 3 | 2 | 2 | -1 | -3 | -9 | -10 |
chill °C | -5 | -4 | -4 | -5 | -3 | -4 | -3 | -2 | -2 | -2 | -2 | -4 | -4 | -4 | -7 | -8 | -18 | -19 |
Freezing level m | 2300 | 2650 | 2950 | 3100 | 3200 | 3000 | 2950 | 3150 | 3350 | 3500 | 3450 | 3250 | 3150 | 3100 | 2900 | 2450 | 1800 | 950 |
 | 7:58 | — | — | 8:00 | — | — | 8:02 | — | — | 8:03 | — | — | 8:04 | — | — | 8:06 | — | — |
 | — | 6:39 | — | — | 6:37 | — | — | 6:36 | — | — | 6:34 | — | — | 6:31 | — | — | 6:30 | — |
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Mount Grinnell Weather (Days 0-3):
The weather forecast for Mount Grinnell is: Mostly dry. Freeze-thaw conditions (max 4°C on Mon morning, min -2°C on Sun morning). Winds increasing (light winds from the SW on Sun morning, strong winds from the WSW by Sun night).
Mount Grinnell Weather (Days 3-6):
A light covering of new snow mostly falling on Fri afternoon. Freeze-thaw conditions (max 6°C on Wed afternoon, min -10°C on Fri night). Winds decreasing (near gales from the WSW on Wed night, light winds from the W 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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