– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Sun 21 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sun 21 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 21 Jun Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 16°C on Tue afternoon, min 9°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 23mm), mostly on Fri night. Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 11°C on Wed night, min 0°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  |  | |  |  | | | | |  |  | |  |  | |  | |
clear | clear | clear | clear | some clouds | some clouds | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | light rain | light rain | light rain | light snow | light snow | cloudy | rain shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 2 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | 11 | — | — | 0.2 |
max °C | 10 | 11 | 14 | 14 | 15 | 16 | 15 | 11 | 12 | 11 | 7 | 8 | 5 | 4 | 3 | 3 | 0 | 2 | 4 |
min °C | 9 | 10 | 13 | 14 | 14 | 15 | 12 | 10 | 11 | 7 | 6 | 6 | 4 | 3 | 3 | 0 | 0 | 1 | 2 |
chill °C | 8 | 10 | 13 | 14 | 14 | 15 | 12 | 10 | 10 | 5 | 4 | 2 | 0 | -2 | -2 | -3 | -4 | -3 | -2 |
Freezing level m | 3250 | 3350 | 3700 | 3650 | 3550 | 3750 | 3600 | 3500 | 3450 | 3450 | 3400 | 2950 | 3050 | 2350 | 2350 | 1950 | 1900 | 2350 | 2700 |
Cloud base (m) | 9300 | 3350 | 4050 | 3650 | 3500 | 7100 | 6300 | 8750 | 6650 | 2950 | 600 | 600 | 650 | 600 | 600 | 600 | 750 | ||
 | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — |
 | — | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 16°C on Tue afternoon, min 9°C on Sun night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Heavy rain (total 23mm), mostly on Fri night. Becoming colder with a light covering of snow, mostly falling on Fri night. Freeze-thaw conditions (max 11°C on Wed night, min 0°C on Fri night). Wind will be generally light.
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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