– Lat/Long: 48.78° N 113.73° W
Mount Grinnell Weather Forecast
Lewis Range · United StatesIssued: 11 am Tue 06 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Tue 06 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 9°C on Thu afternoon, min 5°C on Tue morning). Winds increasing (light winds from the W on Tue night, severe gales from the WSW by Thu night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 4°C on Fri morning, min -12°C on Sat night). Winds decreasing (severe gales from the WSW on Fri morning, calm by Sun afternoon). | |||||||||||||||||
Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | | | | |  |  | |  | | | | |
clear | some clouds | some clouds | clear | some clouds | clear | clear | clear | clear | clear | some clouds | snow shwrs | light snow | light snow | mod. snow | light snow | some clouds | clear | |
Cloud base (m) | 9100 | 9100 | 6250 | 8250 | 8250 | 8550 | 7950 | 8950 | 2150 | 1950 | 2150 | 1900 | 1900 | 2050 | 1950 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | 5 | 1 | 1 | 7 | 1 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 7 | 4 | 3 | -2 | -10 | -10 | -11 | -10 | -6 | -2 |
min °C | 5 | 6 | 5 | 6 | 8 | 8 | 7 | 8 | 6 | 3 | 1 | -7 | -10 | -10 | -12 | -12 | -8 | -5 |
chill °C | -1 | 0 | 1 | 2 | 4 | 3 | 4 | 3 | 0 | -6 | -8 | -12 | -19 | -18 | -23 | -21 | -13 | -5 |
Freezing level m | 3700 | 3700 | 3850 | 3850 | 3950 | 4050 | 4000 | 4000 | 3800 | 3500 | 3000 | 2300 | 1250 | 1450 | 950 | 600 | 1250 | 400 |
 | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — | 7:47 | — | — | 7:48 | — | — |
 | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:57 | — | — | 6:54 | — | — | 6:52 | — |
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Mount Grinnell Weather (Days 0-3):
The weather forecast for Mount Grinnell is: Mostly dry. Mild temperatures (max 9°C on Thu afternoon, min 5°C on Tue morning). Winds increasing (light winds from the W on Tue night, severe gales from the WSW by Thu night).
Mount Grinnell Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 4°C on Fri morning, min -12°C on Sat night). Winds decreasing (severe gales from the WSW on Fri morning, calm by Sun afternoon).
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 | |||||
 | |||||
Bullhorn Headwaters- Alta | |||||
Cardston- Alta | |||||
| |||||
Bullhorn Coulee Reservoir- Alta | |||||
Glenwood- 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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