– Lat/Long: 48.78° N 113.73° W
Mount Grinnell Weather Forecast
Lewis Range · United StatesIssued: 11 am Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 11 am Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Grinnell Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 15°C on Mon afternoon, min 6°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 4mm) at first, then becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 17°C on Thu afternoon, min 0°C on Fri night). Winds increasing (light winds from the SW on Thu morning, strong winds from the SW by Fri morning). | |||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  |  | | | | | | | |  | |  | |
clear | clear | clear | clear | clear | clear | some clouds | cloudy | clear | clear | clear | clear | clear | some clouds | clear | rain shwrs | rain shwrs | light snow | |
Cloud base (m) | 8200 | 8050 | 9450 | 5050 | 4550 | 4800 | 4500 | 1900 | 1950 | |||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.8 | 3 | — |
max °C | 13 | 14 | 11 | 14 | 15 | 11 | 13 | 13 | 10 | 9 | 11 | 8 | 15 | 17 | 15 | 7 | 5 | 1 |
min °C | 10 | 14 | 10 | 11 | 14 | 9 | 10 | 13 | 6 | 7 | 11 | 8 | 10 | 17 | 11 | 5 | 3 | 0 |
chill °C | 9 | 14 | 8 | 9 | 13 | 6 | 7 | 11 | 2 | 3 | 8 | 4 | 8 | 16 | 8 | -1 | -3 | -4 |
Freezing level m | 3850 | 3900 | 4200 | 4100 | 4000 | 3850 | 3700 | 3600 | 3700 | 3150 | 3150 | 3750 | 3800 | 4100 | 4250 | 3100 | 2650 | 2150 |
 | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — |
 | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — |
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Mount Grinnell Weather (Days 0-3):
The weather forecast for Mount Grinnell is: Mostly dry. Very mild (max 15°C on Mon afternoon, min 6°C on Tue night). Wind will be generally light.
Mount Grinnell Weather (Days 3-6):
Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 17°C on Thu afternoon, min 0°C on Fri night). Winds increasing (light winds from the SW on Thu morning, strong winds from the SW by Fri morning).
This table gives the weather forecast for Mount Grinnell at the specific elevation of 2000 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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