– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Sun 12 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sun 12 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 12 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 8mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 5°C on Sun night, min -3°C on Tue night). Winds increasing (light winds from the W on Sun night, fresh winds from the SW by Tue night). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 7°C on Sat afternoon, min -5°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  | | |  |  |  | | | |  | |  |  | |
mod. rain | light snow | light snow | light snow | light snow | mod. snow | heavy snow | light snow | mod. snow | snow shwrs | cloudy | some clouds | snow shwrs | cloudy | some clouds | cloudy | some clouds | rain shwrs | light rain | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | 2 | 2 | 2 | 3 | 6 | 11 | 3 | 8 | 1 | — | — | 1 | — | — | — | — | — | — | |
8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.2 | 0.2 | |
max °C | 5 | 2 | 2 | 2 | 0 | 1 | 1 | -3 | -2 | -3 | -2 | 0 | -1 | 0 | 1 | 1 | 5 | 7 | 6 |
min °C | 2 | 2 | 2 | 0 | 0 | 1 | -3 | -3 | -2 | -5 | -3 | -1 | -2 | -1 | 1 | 0 | 2 | 7 | 5 |
-1 | -1 | -1 | -4 | -5 | -4 | -7 | -7 | -6 | -9 | -6 | -4 | -2 | -1 | 1 | 0 | 1 | 6 | 3 | |
1500 | 1250 | 1300 | 1000 | 1050 | 1150 | 650 | 650 | 650 | 0 | 800 | 1050 | 800 | 950 | 1150 | 1000 | 1700 | 2000 | 2150 | |
Cloud base (m) | 600 | 650 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 700 | 650 | 650 | 650 | 650 | 700 | 650 | 1750 | 2150 | 1750 |
 | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — |
 | — | — | 7:52 | — | — | 7:53 | — | — | 7:54 | — | — | 7:57 | — | — | 7:58 | — | — | — | 8:00 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 8mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 5°C on Sun night, min -3°C on Tue night). Winds increasing (light winds from the W on Sun night, fresh winds from the SW by Tue night).
Mount Index Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 7°C on Sat afternoon, min -5°C on Wed night). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1000 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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