– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Fri 10 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 10 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 10 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Sat morning. Freeze-thaw conditions (max 6°C on Fri night, min -4°C on Mon morning). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -4°C on Mon night, min -9°C on Tue night). Winds decreasing (near gales from the SW on Tue afternoon, light winds from the WNW by Thu morning). | ||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  | | |  |  |  |  |  | | | | | | |
some clouds | light snow | light snow | some clouds | some clouds | cloudy | light snow | light snow | light snow | mod. snow | mod. snow | heavy snow | heavy snow | snow shwrs | snow shwrs | some clouds | light snow | snow shwrs | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | 2 | 1 | — | — | — | 4 | 3 | 4 | 7 | 8 | 12 | 20 | 7 | 3 | — | 1 | 2 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 6 | 1 | 0 | 0 | 0 | 0 | 0 | -3 | -3 | -4 | -6 | -5 | -5 | -9 | -8 | -7 | -7 | -5 | -5 |
min °C | 3 | 0 | 0 | 0 | 0 | 0 | -3 | -4 | -4 | -6 | -6 | -5 | -9 | -9 | -8 | -7 | -7 | -6 | -5 |
3 | -2 | -3 | -4 | -2 | -3 | -9 | -10 | -11 | -14 | -14 | -15 | -19 | -17 | -15 | -13 | -12 | -11 | -10 | |
2550 | 1900 | 1700 | 1900 | 1900 | 1900 | 1550 | 1150 | 1250 | 1000 | 950 | 1000 | 600 | 700 | 850 | 0 | 800 | 1100 | 500 | |
Cloud base (m) | 2550 | 850 | 600 | 600 | 650 | 650 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 650 | 1600 | 650 | 650 | 800 |
 | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — |
 | — | — | 7:50 | — | — | 7:51 | — | — | 7:52 | — | — | 7:53 | — | — | 7:54 | — | — | 7:57 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A moderate fall of snow, heaviest on Sat morning. Freeze-thaw conditions (max 6°C on Fri night, min -4°C on Mon morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -4°C on Mon night, min -9°C on Tue night). Winds decreasing (near gales from the SW on Tue afternoon, light winds from the WNW by Thu morning).
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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