– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Sat 20 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Sat 20 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sat 20 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 15°C on Tue afternoon, min 5°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 18mm), heaviest on Fri afternoon. Very mild (max 14°C on Tue night, min 4°C on Fri afternoon). Winds increasing (calm on Wed morning, fresh winds from the SW by Fri afternoon). | ||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  | | |  | | | | |  | | |  |  |  |  |  | |
clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | cloudy | mod. rain | light rain | mod. rain | snow shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 5 | 8 | 6 |
max °C | 7 | 7 | 10 | 10 | 12 | 14 | 14 | 13 | 15 | 14 | 11 | 11 | 11 | 7 | 8 | 7 | 5 | 5 | 3 |
min °C | 5 | 6 | 9 | 10 | 11 | 14 | 13 | 13 | 14 | 11 | 10 | 11 | 7 | 7 | 8 | 5 | 5 | 4 | -1 |
chill °C | 3 | 5 | 8 | 9 | 11 | 14 | 13 | 13 | 13 | 11 | 10 | 10 | 5 | 6 | 5 | 1 | 1 | -1 | -8 |
Freezing level m | 3400 | 3200 | 3400 | 3450 | 3450 | 3800 | 3700 | 3600 | 3800 | 3750 | 3650 | 3700 | 3550 | 3650 | 3500 | 3300 | 2750 | 2600 | 1650 |
Cloud base (m) | 8800 | 8800 | 3600 | 3650 | 6450 | 4000 | 9000 | 6900 | 5400 | 3250 | 600 | 600 | 550 | 700 | |||||
 | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 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 15°C on Tue afternoon, min 5°C on Sat night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 18mm), heaviest on Fri afternoon. Very mild (max 14°C on Tue night, min 4°C on Fri afternoon). Winds increasing (calm on Wed morning, fresh winds from the SW by Fri 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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