– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Wed 03 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Wed 03 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 03 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Thu morning will be washed away by heavy rain (total 83mm) on Fri night. Mild temperatures (max 6°C on Fri morning, min 1°C on Wed afternoon). Winds increasing (light winds from the NW on Wed afternoon, fresh winds from the SW by Fri night). | Days 5–7 Weather SummaryHeavy rain (total 69mm), mostly on Mon night. Becoming colder with a light covering of snow, mostly falling on Mon night. Mild temperatures (max 7°C on Mon night, min 1°C on Sun night). Mainly strong winds. | ||||||||||||||||
Wed 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | |  | |  | | | |
cloudy | light snow | light snow | mod. rain | heavy rain | heavy rain | mod. rain | heavy rain | mod. rain | mod. rain | heavy rain | heavy rain | snow shwrs | light snow | light rain | mod. rain | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 1 | 5 | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | 5 | |
— | — | — | 6 | 13 | 13 | 10 | 32 | 9 | 8 | 12 | 16 | 5 | — | 0.1 | 7 | 21 | |
max°C | 1 | 2 | 2 | 2 | 4 | 6 | 5 | 3 | 2 | 3 | 3 | 5 | 3 | 2 | 4 | 5 | 7 |
min°C | 1 | 1 | 2 | 2 | 3 | 5 | 4 | 3 | 2 | 3 | 3 | 4 | 2 | 1 | 2 | 2 | 1 |
-1 | -1 | -1 | -1 | 1 | 1 | -1 | -3 | -4 | -3 | -1 | -1 | -4 | -5 | -1 | -3 | -3 | |
1150 | 1400 | 1300 | 1450 | 1600 | 2100 | 1800 | 1550 | 1300 | 1450 | 1550 | 1900 | 1400 | 1250 | 1250 | 1450 | 1500 | |
Cloud base (m) | 700 | 650 | 650 | 650 | 600 | 600 | 550 | 600 | 600 | 600 | 600 | 600 | 600 | 650 | 650 | 850 | 600 |
 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — |
 | 4:15 | — | — | 4:15 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A light covering of new snow mostly falling on Thu morning will be washed away by heavy rain (total 83mm) on Fri night. Mild temperatures (max 6°C on Fri morning, min 1°C on Wed afternoon). Winds increasing (light winds from the NW on Wed afternoon, fresh winds from the SW by Fri night).
Mount Index Weather (Days 3-6):
Heavy rain (total 69mm), mostly on Mon night. Becoming colder with a light covering of snow, mostly falling on Mon night. Mild temperatures (max 7°C on Mon night, min 1°C on Sun night). Mainly strong winds.
This table gives the weather forecast for Mount Index at the specific elevation of 1000 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP8337 | |||||
SHIP4334 | |||||
|
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.
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