– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Fri 02 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Fri 02 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 02 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 2°C on Fri night, min -6°C on Sun night). Winds increasing (light winds from the S on Fri night, strong winds from the SW by Sat night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Tue afternoon. Temperatures will be well below freezing (max -6°C on Mon morning, min -9°C on Tue night). Winds increasing (light winds from the W on Mon afternoon, strong winds from the SW by Tue morning). | |||||||||||||||||
Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | | | |  | | | | | | |
light snow | cloudy | cloudy | mod. snow | some clouds | mod. snow | light snow | light snow | heavy snow | light snow | light snow | mod. snow | heavy snow | heavy snow | heavy snow | light snow | heavy snow | heavy snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
1 | — | — | 6 | — | 10 | 5 | 1 | 11 | 1 | 4 | 10 | 11 | 21 | 27 | 3 | 16 | 11 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | 1 | 2 | -1 | 0 | 0 | -3 | -4 | -4 | -6 | -7 | -7 | -6 | -6 | -7 | -8 | -8 | -8 |
min °C | 0 | 1 | 1 | -2 | -1 | -3 | -4 | -4 | -6 | -7 | -7 | -8 | -7 | -7 | -9 | -8 | -9 | -9 |
-6 | -4 | -3 | -7 | -7 | -12 | -12 | -12 | -13 | -14 | -14 | -16 | -16 | -15 | -17 | -16 | -17 | -18 | |
1800 | 1950 | 2200 | 1450 | 1750 | 1500 | 1300 | 1100 | 1200 | 850 | 800 | 550 | 700 | 800 | 550 | 700 | 650 | 500 | |
Cloud base (m) | 600 | 600 | 800 | 550 | 600 | 550 | 600 | 600 | 550 | 600 | 600 | 600 | 600 | 550 | 600 | 600 | 600 | 600 |
 | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | 4:25 | — | — | 4:27 | — | — | 4:28 | — | — | 4:29 | — | — | 4:30 | — | — | 4:30 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 2°C on Fri night, min -6°C on Sun night). Winds increasing (light winds from the S on Fri night, strong winds from the SW by Sat night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue afternoon. Temperatures will be well below freezing (max -6°C on Mon morning, min -9°C on Tue night). Winds increasing (light winds from the W on Mon afternoon, strong winds from the SW by Tue morning).
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 |
|---|---|---|---|---|---|
 | |||||
SHIP3622 | |||||
| |||||
SHIP3575 | |||||
SHIP3960 | |||||
SHIP7497 | |||||
SHIP4414 | |||||
SHIP6747 |
* 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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