– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Tue 14 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Tue 14 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 14 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Tue afternoon. Temperatures will be below freezing (max -3°C on Tue night, min -9°C on Wed morning). Winds decreasing (gales from the SW on Tue night, light winds from the NW by Thu night). | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 9°C on Sun afternoon, min -6°C on Fri morning). Wind will be generally light. | |||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  | |  | |  |  | | | | |  | |
mod. snow | heavy snow | heavy snow | light snow | light snow | light snow | snow shwrs | some clouds | light snow | cloudy | some clouds | some clouds | clear | some clouds | some clouds | some clouds | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
6 | 11 | 14 | 1 | 5 | 5 | 1 | — | 3 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -4 | -3 | -9 | -7 | -8 | -8 | -5 | -5 | -5 | -3 | 0 | 1 | 3 | 6 | 7 | 9 | 9 |
min °C | -5 | -4 | -8 | -9 | -8 | -8 | -8 | -6 | -6 | -6 | -4 | -3 | 1 | 2 | 4 | 7 | 8 | 8 |
-13 | -13 | -15 | -14 | -14 | -14 | -15 | -12 | -10 | -9 | -4 | -3 | -1 | 0 | 3 | 6 | 8 | 8 | |
1100 | 1150 | 650 | 650 | 850 | 600 | 800 | 1150 | 850 | 1000 | 1250 | 1650 | 2000 | 2450 | 2750 | 2950 | 2950 | 3100 | |
Cloud base (m) | 600 | 600 | 600 | 700 | 600 | 650 | 650 | 750 | 650 | 650 | 750 | 700 | 4600 | 6250 | 6950 | 6850 | 8900 | |
 | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — |
 | — | 7:53 | — | — | 7:54 | — | — | 7:57 | — | — | 7:58 | — | — | — | 8:00 | — | — | 8:00 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Tue afternoon. Temperatures will be below freezing (max -3°C on Tue night, min -9°C on Wed morning). Winds decreasing (gales from the SW on Tue night, light winds from the NW by Thu night).
Mount Index Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 9°C on Sun afternoon, min -6°C on Fri morning). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1832 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Index. 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 Washington.
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