– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Fri 02 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Fri 02 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Fri 02 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMild with moderate rain (total 19mm) on Sat morning, Becoming colder with a light covering of snow, mostly falling on Sun morning. Freeze-thaw conditions (max 6°C on Fri night, min -1°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -1°C on Mon morning, min -4°C on Wed night). Wind will be generally light. | |||||||||||||||||
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 rain | light rain | light rain | mod. rain | light rain | mod. rain | light snow | light snow | light snow | light snow | light snow | light snow | light snow | mod. snow | heavy snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | 3 | 1 | 4 | 2 | 2 | 3 | 4 | 8 | 14 | 2 | 2 | 5 | |
1.2 | 2 | 0.5 | 8 | 0.2 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 5 | 5 | 6 | 4 | 5 | 5 | 2 | 1 | 1 | -1 | -1 | -2 | -2 | -2 | -2 | -2 | -2 | -3 |
min °C | 4 | 5 | 5 | 4 | 5 | 3 | 1 | 1 | -1 | -1 | -1 | -3 | -2 | -2 | -3 | -2 | -3 | -4 |
1 | 4 | 2 | 1 | 3 | -1 | -3 | -2 | -6 | -5 | -5 | -7 | -7 | -8 | -5 | -5 | -8 | -7 | |
1850 | 2000 | 2300 | 1650 | 1800 | 1650 | 1300 | 1100 | 1000 | 900 | 800 | 450 | 700 | 750 | 600 | 650 | 700 | 500 | |
Cloud base (m) | 600 | 600 | 1400 | 600 | 600 | 550 | 550 | 550 | 600 | 600 | 600 | 600 | 650 | 550 | 600 | 600 | 650 | 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: Mild with moderate rain (total 19mm) on Sat morning, Becoming colder with a light covering of snow, mostly falling on Sun morning. Freeze-thaw conditions (max 6°C on Fri night, min -1°C on Sun night). Wind will be generally light.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -1°C on Mon morning, min -4°C on Wed night). Wind will be generally light.
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 |
|---|---|---|---|---|---|
 | |||||
SHIP8174 | |||||
 | |||||
SHIP4479 | |||||
SHIP7584 | |||||
SHIP2616 | |||||
SHIP4035 | |||||
SHIP7484 |
* 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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