– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Fri 06 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Fri 06 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 06 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryDrizzle on Sat morning followed by colder weather and a heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 3°C on Fri night, min -10°C on Sun night). Winds increasing (light winds from the WSW on Fri morning, strong winds from the WSW by Sat night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max -3°C on Wed morning, min -11°C on Mon night). Winds increasing (light winds from the W on Mon night, severe gales from the WSW by Wed afternoon). | |||||||||||||||||
Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  |  | | |  | | | | | | |
light snow | light snow | light snow | light rain | cloudy | mod. snow | mod. snow | mod. snow | heavy snow | heavy snow | heavy snow | heavy snow | snow shwrs | light snow | light snow | mod. snow | heavy snow | heavy snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
3 | 5 | 5 | — | — | 8 | 10 | 9 | 24 | 12 | 13 | 25 | 6 | 2 | 3 | 6 | 19 | 18 | |
— | — | 0.5 | 1.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | 0 | 3 | 3 | 1 | 1 | -2 | -7 | -9 | -10 | -9 | -10 | -10 | -9 | -5 | -3 | -3 | -5 |
min °C | -2 | -1 | 0 | 2 | 1 | 0 | -4 | -8 | -10 | -10 | -10 | -11 | -10 | -9 | -9 | -4 | -4 | -7 |
-8 | -7 | -6 | -4 | -5 | -8 | -12 | -17 | -18 | -19 | -18 | -18 | -19 | -16 | -17 | -14 | -14 | -16 | |
1400 | 1600 | 2300 | 2450 | 2300 | 1950 | 1500 | 700 | 450 | 500 | 500 | 350 | 450 | 650 | 0 | 950 | 1300 | 750 | |
Cloud base (m) | 650 | 650 | 650 | 650 | 650 | 600 | 600 | 600 | 600 | 600 | 600 | 650 | 650 | 650 | 650 | 600 | 600 | 650 |
 | 6:37 | — | — | 6:35 | — | — | 7:33 | — | — | 6:31 | — | — | 6:28 | — | — | 6:26 | — | — |
 | — | 5:58 | — | — | 6:00 | — | — | 7:00 | — | — | 6:02 | — | — | 6:04 | — | — | 6:06 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Drizzle on Sat morning followed by colder weather and a heavy fall of snow, heaviest during Sun morning. Freeze-thaw conditions (max 3°C on Fri night, min -10°C on Sun night). Winds increasing (light winds from the WSW on Fri morning, strong winds from the WSW by Sat night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed afternoon. Temperatures will be below freezing (max -3°C on Wed morning, min -11°C on Mon night). Winds increasing (light winds from the W on Mon night, severe gales from the WSW by Wed 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 | | ||||
SHIP7024 | |||||
SHIP4784 | |||||
SHIP8296 | |||||
SHIP10241 |
* 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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