– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Mon 13 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Mon 13 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 13 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -3°C on Mon night, min -9°C on Tue night). Mainly near gales. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Sat night, min -5°C on Thu night). Winds increasing (calm on Fri afternoon, fresh winds from the SSE by Sun morning). | ||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | | |  |  |  | |  | | | | | |  | |
light snow | mod. snow | heavy snow | heavy snow | light snow | mod. snow | light snow | light snow | some clouds | snow shwrs | cloudy | some clouds | some clouds | some clouds | cloudy | some clouds | cloudy | light snow | mod. snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
3 | 6 | 12 | 16 | 1 | 6 | 5 | 2 | — | 2 | — | — | — | — | — | — | — | 1 | 10 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.3 | — | |
max °C | -3 | -4 | -4 | -3 | -9 | -7 | -8 | -7 | -5 | -5 | -5 | -3 | -1 | 1 | 3 | 4 | 4 | 3 | 0 |
min °C | -4 | -5 | -4 | -9 | -9 | -8 | -9 | -8 | -6 | -5 | -5 | -4 | -3 | 0 | 2 | 3 | 4 | 1 | -2 |
-11 | -14 | -13 | -16 | -15 | -14 | -16 | -14 | -12 | -10 | -8 | -4 | -3 | -3 | -1 | 0 | -1 | -2 | -6 | |
1050 | 1100 | 1100 | 550 | 700 | 800 | 500 | 800 | 1100 | 800 | 950 | 1200 | 1500 | 1950 | 2300 | 2450 | 2450 | 2000 | 1450 | |
Cloud base (m) | 650 | 600 | 600 | 600 | 600 | 600 | 650 | 650 | 650 | 650 | 650 | 700 | 700 | 650 | 2500 | 2250 | 2500 | 800 | 600 |
 | — | 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 night. Temperatures will be below freezing (max -3°C on Mon night, min -9°C on Tue night). Mainly near gales.
Mount Index Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 4°C on Sat night, min -5°C on Thu night). Winds increasing (calm on Fri afternoon, fresh winds from the SSE by Sun 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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