– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Wed 10 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Wed 10 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Wed 10 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMild with heavy rain (total 74mm), heaviest during Wed morning. Becoming colder with a moderate fall of snow heaviest on Wed night. Freeze-thaw conditions (max 5°C on Wed morning, min -1°C on Wed night). Winds decreasing (severe gales from the WSW on Wed morning, moderate winds from the W by Thu morning). | Days 4–6 Weather SummaryMild with heavy rain (total 64mm), heaviest during Mon night. Becoming colder with a moderate fall of snow heaviest on Mon night. Freeze-thaw conditions (max 6°C on Sat morning, min -5°C on Mon night). Winds increasing (moderate winds from the SW on Sun afternoon, severe gales from the SW by Mon afternoon). | |||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  |  |  |  |  | |  | | | | |
heavy rain | heavy rain | mod. snow | mod. snow | light snow | light rain | light rain | light rain | rain shwrs | clear | some clouds | light snow | cloudy | some clouds | heavy rain | heavy rain | heavy rain | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | 9 | 6 | 1 | — | — | — | — | — | — | 3 | — | — | — | — | — | 10 | |
25 | 24 | 19 | — | — | 2 | 0.8 | 0.5 | 0.9 | — | — | 0.8 | — | — | 13 | 22 | 16 | 13 | |
max°C | 5 | 5 | 4 | 0 | 0 | 3 | 3 | 3 | 3 | 6 | 6 | 4 | 2 | 2 | 3 | 3 | 3 | 3 |
min°C | 4 | 5 | -1 | -1 | 0 | 2 | 3 | 3 | 3 | 5 | 5 | 1 | 1 | 2 | 2 | 3 | 3 | -5 |
-4 | -2 | -8 | -6 | -6 | -4 | -2 | -3 | -3 | 0 | 0 | -5 | -4 | -3 | -3 | -4 | -5 | -13 | |
2850 | 3050 | 2450 | 1450 | 1950 | 2500 | 2600 | 3050 | 3350 | 3050 | 2700 | 2500 | 2200 | 2150 | 2450 | 2500 | 2400 | 1750 | |
Cloud base (m) | 600 | 600 | 600 | 650 | 650 | 650 | 650 | 650 | 700 | 9000 | 2250 | 750 | 600 | 750 | 600 | 600 | 600 | |
 | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:47 | — | — | 7:48 | — | — |
 | — | 4:13 | — | — | 4:13 | — | — | 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: Mild with heavy rain (total 74mm), heaviest during Wed morning. Becoming colder with a moderate fall of snow heaviest on Wed night. Freeze-thaw conditions (max 5°C on Wed morning, min -1°C on Wed night). Winds decreasing (severe gales from the WSW on Wed morning, moderate winds from the W by Thu morning).
Mount Index Weather (Days 3-6):
Mild with heavy rain (total 64mm), heaviest during Mon night. Becoming colder with a moderate fall of snow heaviest on Mon night. Freeze-thaw conditions (max 6°C on Sat morning, min -5°C on Mon night). Winds increasing (moderate winds from the SW on Sun afternoon, severe gales from the SW by Mon 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
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* 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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