– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Fri 13 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Fri 13 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Fri 13 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -4°C on Sun morning, min -7°C on Sat morning). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Wed night. Temperatures will be well below freezing (max -8°C on Mon night, min -10°C on Tue night). Winds increasing (calm on Tue afternoon, fresh winds from the WSW by Thu afternoon). | ||||||||||||||||||
Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  |  | | | | | | | | | | | | |
heavy snow | light snow | cloudy | cloudy | light snow | light snow | light snow | mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | heavy snow | mod. snow | mod. snow | heavy snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
15 | 2 | — | — | 1 | 4 | 4 | 7 | 1 | 1 | 1 | 1 | 1 | 5 | 4 | 21 | 10 | 7 | 28 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -6 | -5 | -5 | -4 | -4 | -5 | -6 | -7 | -8 | -9 | -8 | -9 | -10 | -9 | -9 | -10 | -8 | -9 |
min °C | -6 | -7 | -6 | -5 | -5 | -4 | -5 | -7 | -7 | -9 | -9 | -9 | -10 | -10 | -9 | -10 | -10 | -9 | -11 |
-13 | -13 | -9 | -7 | -9 | -9 | -11 | -13 | -14 | -15 | -15 | -9 | -16 | -16 | -16 | -18 | -18 | -17 | -21 | |
1000 | 850 | 1050 | 700 | 950 | 1050 | 950 | 800 | 800 | 500 | 550 | 700 | 0 | 500 | 550 | 350 | 450 | 500 | 450 | |
Cloud base (m) | 600 | 600 | 600 | 650 | 600 | 600 | 550 | 550 | 600 | 550 | 650 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 |
 | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — |
 | — | — | 5:27 | — | — | 5:29 | — | — | 5:30 | — | — | 5:31 | — | — | 5:34 | — | — | 5:35 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max -4°C on Sun morning, min -7°C on Sat morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed night. Temperatures will be well below freezing (max -8°C on Mon night, min -10°C on Tue night). Winds increasing (calm on Tue afternoon, fresh winds from the WSW by Thu 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP2523 | |||||
SHIP2923 | |||||
SHIP8208 |
* 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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