– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Fri 21 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Fri 21 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Fri 21 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMild with heavy rain (total 24mm), heaviest during Sun morning. Becoming colder with a moderate fall of snow heaviest on Sun afternoon. Freeze-thaw conditions (max 6°C on Sat morning, min -2°C on Sun afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Tue night will be washed away by heavy rain (total 32mm) on Wed afternoon. Freeze-thaw conditions (max 4°C on Wed afternoon, min -3°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the SW by Wed night). | ||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  |  | |  | | |  | | |  | |
cloudy | light rain | cloudy | light rain | mod. rain | heavy rain | mod. snow | mod. snow | light snow | light snow | some clouds | cloudy | cloudy | light snow | light snow | heavy rain | heavy rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | 9 | 6 | 4 | 1 | — | — | — | 3 | 3 | — | — | |
— | 0.2 | — | 0.2 | 6 | 17 | — | — | — | — | — | — | — | — | 4 | 13 | 13 | |
max°C | 4 | 5 | 6 | 6 | 5 | 4 | 0 | -1 | -1 | -1 | -2 | 1 | 1 | 1 | 3 | 4 | 4 |
min°C | 4 | 5 | 6 | 5 | 4 | 3 | -2 | -2 | -1 | -2 | -3 | 0 | 0 | 0 | 2 | 3 | 2 |
2 | 3 | 4 | 2 | 1 | -1 | -8 | -7 | -6 | -6 | -3 | -3 | -3 | -3 | -2 | -2 | -4 | |
1800 | 2150 | 2150 | 1900 | 1900 | 1600 | 1050 | 700 | 800 | 800 | 650 | 1050 | 1150 | 1150 | 1700 | 2050 | 1700 | |
Cloud base (m) | 2200 | 650 | 600 | 800 | 600 | 600 | 600 | 650 | 650 | 650 | 650 | 650 | 2250 | 1700 | 650 | 600 | 600 |
 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — |
 | 4:22 | — | — | 4:22 | — | — | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:19 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mild with heavy rain (total 24mm), heaviest during Sun morning. Becoming colder with a moderate fall of snow heaviest on Sun afternoon. Freeze-thaw conditions (max 6°C on Sat morning, min -2°C on Sun afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Tue night will be washed away by heavy rain (total 32mm) on Wed afternoon. Freeze-thaw conditions (max 4°C on Wed afternoon, min -3°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the SW by Wed night).
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
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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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