– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Thu 21 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Thu 21 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 21 May Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Mild temperatures (max 8°C on Thu morning, min 3°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 7°C on Sun afternoon, min -2°C on Mon night). Winds increasing (light winds from the SW on Sun morning, strong winds from the SSW by Mon afternoon). | |||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  | | | |  |  |  |  | |  | |
clear | some clouds | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | light rain | light snow | light snow | snow shwrs | some clouds | cloudy | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 5 | 2 | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | 0.1 | — | — | — | — | — | |
max °C | 8 | 8 | 7 | 6 | 8 | 8 | 6 | 8 | 7 | 5 | 7 | 6 | 2 | 1 | -1 | -1 | 1 | 1 |
min °C | 7 | 8 | 6 | 6 | 7 | 6 | 6 | 7 | 3 | 4 | 6 | 4 | 1 | 0 | -2 | -2 | 0 | 0 |
7 | 6 | 4 | 5 | 6 | 4 | 4 | 4 | -1 | 1 | 2 | -2 | -6 | -6 | -7 | -7 | -5 | -4 | |
2900 | 3000 | 2900 | 2850 | 3150 | 3400 | 3200 | 3050 | 3100 | 3050 | 3000 | 2800 | 1900 | 1850 | 1600 | 1700 | 1950 | 2100 | |
Cloud base (m) | 6600 | 2250 | 7050 | 700 | 1850 | 6600 | 5450 | 2800 | 3000 | 650 | 600 | 600 | 800 | 600 | ||||
 | 5:20 | — | — | 5:20 | — | — | 5:18 | — | — | 5:18 | — | — | 5:16 | — | — | 5:16 | — | — |
 | — | — | 8:44 | — | — | 8:45 | — | — | 8:46 | — | — | 8:47 | — | — | 8:49 | — | — | 8:50 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Mild temperatures (max 8°C on Thu morning, min 3°C on Sat night). Wind will be generally light.
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 7°C on Sun afternoon, min -2°C on Mon night). Winds increasing (light winds from the SW on Sun morning, strong winds from the SSW by Mon afternoon).
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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