– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Wed 20 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Wed 20 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Wed 20 May Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Mild temperatures (max 9°C on Thu afternoon, min 5°C on Wed afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 8°C on Sat afternoon, min -2°C on Mon afternoon). Winds decreasing (strong winds from the WSW on Sun night, light winds from the NNE by Tue morning). | ||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | |  | | | | | |  |  |  |  | |
some clouds | clear | clear | some clouds | clear | clear | clear | some clouds | clear | some clouds | some clouds | some clouds | some clouds | mod. snow | light snow | mod. snow | cloudy | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 5 | 8 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 5 | 7 | 8 | 9 | 8 | 6 | 9 | 8 | 6 | 8 | 7 | 4 | 4 | 1 | 0 | -1 | 0 |
min °C | 5 | 5 | 7 | 8 | 7 | 6 | 8 | 6 | 6 | 8 | 3 | 3 | 3 | -1 | -1 | -2 | -1 |
4 | 3 | 7 | 6 | 5 | 5 | 7 | 4 | 4 | 6 | -1 | -1 | -3 | -8 | -9 | -8 | -6 | |
2850 | 2900 | 2900 | 3050 | 2950 | 2950 | 3300 | 3350 | 3250 | 3150 | 2900 | 2800 | 2400 | 1750 | 1750 | 1600 | 1800 | |
Cloud base (m) | 2000 | 7600 | 6400 | 5050 | 9050 | 8800 | 9300 | 6950 | 700 | 1650 | 6000 | 1650 | 600 | 600 | 600 | 600 | |
 | — | — | 5:20 | — | — | 5:20 | — | — | 5:18 | — | — | 5:18 | — | — | 5:16 | — | — |
 | — | 8:43 | — | — | 8:44 | — | — | 8:45 | — | — | 8:46 | — | — | 8:47 | — | — | 8:49 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Mild temperatures (max 9°C on Thu afternoon, min 5°C on Wed afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon afternoon. Freeze-thaw conditions (max 8°C on Sat afternoon, min -2°C on Mon afternoon). Winds decreasing (strong winds from the WSW on Sun night, light winds from the NNE by Tue 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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