– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Thu 09 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Thu 09 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 09 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 8°C on Thu night, min -1°C on Sat afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -1°C on Sun night, min -9°C on Tue night). Winds increasing (light winds from the W on Sun night, near gales from the SW by Tue night). | ||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | | |  | | |  |  | |  | |  |  | |
clear | cloudy | some clouds | light rain | light snow | light snow | cloudy | cloudy | cloudy | mod. snow | light snow | light snow | light snow | mod. snow | mod. snow | heavy snow | mod. snow | heavy snow | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | 2 | 3 | — | — | — | 7 | 4 | 3 | 4 | 6 | 9 | 24 | 6 | 11 | — | |
— | — | — | 0.7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 8 | 6 | 7 | 5 | 2 | -1 | 0 | 0 | 0 | -1 | -4 | -3 | -3 | -5 | -4 | -4 | -9 | -8 | -7 |
min °C | 7 | 6 | 6 | 3 | 0 | -1 | 0 | 0 | -1 | -4 | -5 | -3 | -5 | -5 | -4 | -9 | -9 | -8 | -8 |
6 | 5 | 6 | 1 | -3 | -4 | -4 | -3 | -5 | -11 | -12 | -9 | -12 | -13 | -13 | -18 | -18 | -15 | -14 | |
2800 | 2700 | 2700 | 2450 | 1850 | 1700 | 1750 | 1750 | 1700 | 1300 | 1150 | 1300 | 950 | 1050 | 1150 | 550 | 700 | 800 | 0 | |
Cloud base (m) | 9100 | 3400 | 2850 | 1400 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 900 |
 | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — |
 | — | — | 7:47 | — | — | 7:50 | — | — | 7:51 | — | — | 7:52 | — | — | 7:53 | — | — | 7:54 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A light covering of new snow mostly falling on Sat afternoon. Freeze-thaw conditions (max 8°C on Thu night, min -1°C on Sat afternoon). 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 -1°C on Sun night, min -9°C on Tue night). Winds increasing (light winds from the W on Sun night, near gales from the SW by Tue night).
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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