– Lat/Long: 48.93° N 113.61° W
Chief Mountain Weather Forecast
Lewis Range · United StatesIssued: 5 am Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 5 am Sun 20 Sep Local Time
Updates in:
Update imminent hr min s
2 Chief Mountain Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 10°C on Mon morning, min 4°C on Tue night). Winds increasing (light winds from the WSW on Sun night, near gales from the WSW by Tue night). | Days 4–6 Weather SummaryMild at first with light rain (total 3mm) on Fri afternoon followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 10°C on Thu afternoon, min -4°C on Fri night). Winds decreasing (near gales from the WSW on Wed night, light winds from the NW by Fri night). | |||||||||||||||||
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 | some clouds | some clouds | clear | some clouds | clear | some clouds | clear | some clouds | light rain | heavy snow | |
Cloud base (m) | 6650 | 4800 | 4600 | 4400 | 6400 | 1600 | ||||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 19 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — |
max °C | 8 | 9 | 9 | 10 | 10 | 8 | 8 | 8 | 7 | 3 | 3 | 4 | 6 | 10 | 9 | 8 | 8 | 2 |
min °C | 7 | 9 | 9 | 9 | 9 | 7 | 6 | 7 | 4 | 3 | 3 | 4 | 5 | 8 | 9 | 8 | 3 | -4 |
chill °C | 5 | 8 | 8 | 6 | 5 | 2 | 0 | 2 | -2 | -3 | -3 | -3 | -1 | 4 | 5 | 3 | -1 | -12 |
Freezing level m | 3900 | 4000 | 4250 | 4200 | 4150 | 4000 | 3750 | 3700 | 3850 | 3250 | 3150 | 3550 | 3550 | 3850 | 4150 | 4050 | 3850 | 2600 |
 | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — |
 | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:28 | — | — | 7:25 | — |
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Chief Mountain Weather (Days 0-3):
The weather forecast for Chief Mountain is: Mostly dry. Very mild (max 10°C on Mon morning, min 4°C on Tue night). Winds increasing (light winds from the WSW on Sun night, near gales from the WSW by Tue night).
Chief Mountain Weather (Days 3-6):
Mild at first with light rain (total 3mm) on Fri afternoon followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 10°C on Thu afternoon, min -4°C on Fri night). Winds decreasing (near gales from the WSW on Wed night, light winds from the NW by Fri night).
This table gives the weather forecast for Chief Mountain at the specific elevation of 2767 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Chief Mountain. 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 | |||||
 | |||||
WatertonParkGate- Alta | |||||
Cardston- Alta | |||||
| |||||
Bullhorn Coulee Reservoir- Alta | |||||
Glenwood- Alta | |||||
Del Bonita Agdm- Alta | |||||
St. Mary 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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