– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Thu 09 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Thu 09 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 09 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMild with light rain (total 6mm) on Fri night Becoming colder with a light covering of snow, mostly falling on Sat night. Freeze-thaw conditions (max 7°C on Thu afternoon, min -1°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Sun morning, min -8°C on Tue night). Winds increasing (light winds from the NW on Sun morning, near gales from the WSW by Tue night). | |||||||||||||||||
Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | |  |  | |  | | | | |  | |  | |
clear | clear | clear | cloudy | cloudy | mod. rain | cloudy | light snow | light snow | cloudy | some clouds | light snow | light snow | light snow | light snow | mod. snow | mod. snow | heavy snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | 1 | 4 | — | — | 3 | 2 | 2 | 4 | 6 | 9 | 34 | |
— | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 5 | 7 | 7 | 6 | 6 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | -4 | -3 | -3 | -5 | -4 | -3 |
min °C | 4 | 7 | 6 | 6 | 6 | 2 | 1 | 0 | -1 | 0 | 0 | -4 | -5 | -3 | -5 | -5 | -4 | -8 |
4 | 7 | 5 | 5 | 6 | 0 | -1 | -2 | -1 | -3 | -4 | -9 | -10 | -8 | -12 | -13 | -12 | -16 | |
2600 | 2750 | 2850 | 2700 | 2600 | 2350 | 2050 | 1750 | 1700 | 1800 | 1850 | 1150 | 1100 | 1300 | 1050 | 1000 | 1100 | 1200 | |
Cloud base (m) | 9200 | 9150 | 9300 | 3250 | 2450 | 550 | 700 | 600 | 600 | 600 | 700 | 600 | 600 | 600 | 600 | 650 | 600 | 600 |
 | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — |
 | — | 7:46 | — | — | 7:47 | — | — | 7:50 | — | — | 7:51 | — | — | 7:52 | — | — | 7:53 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mild with light rain (total 6mm) on Fri night Becoming colder with a light covering of snow, mostly falling on Sat night. Freeze-thaw conditions (max 7°C on Thu afternoon, min -1°C on Sat night). 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 0°C on Sun morning, min -8°C on Tue night). Winds increasing (light winds from the NW on Sun morning, near gales from the WSW 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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