– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Tue 09 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Tue 09 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 09 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMild with heavy rain (total 93mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Wed night. Freeze-thaw conditions (max 5°C on Wed morning, min -2°C on Tue morning). Winds increasing (light winds from the WSW on Tue morning, severe gales from the WSW by Wed morning). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sat night. Becoming milder with light rain (total 7mm) on Sun night. Mild temperatures (max 6°C on Sat afternoon, min 1°C on Sat night). Winds increasing (moderate winds from the WSW on Fri night, strong winds from the SW by Sat night). | |||||||||||||||||
Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  |  | |  |  | |  | | |  | |
cloudy | light snow | heavy rain | heavy rain | heavy rain | mod. snow | mod. snow | light snow | light rain | light rain | light snow | rain shwrs | clear | cloudy | snow shwrs | light snow | cloudy | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | 1 | — | — | — | 9 | 6 | 2 | — | — | 1 | — | — | — | 3 | 2 | — | 1 | |
— | — | 29 | 21 | 16 | 23 | — | — | 4 | 1.8 | — | 0.1 | — | — | — | — | — | 5 | |
max°C | -1 | 1 | 4 | 5 | 5 | 4 | -1 | 0 | 3 | 2 | 2 | 2 | 5 | 6 | 5 | 1 | 1 | 3 |
min°C | -2 | 0 | 2 | 4 | 5 | 0 | -1 | -1 | 1 | 2 | 2 | 2 | 3 | 5 | 1 | 1 | 1 | 1 |
-7 | -6 | -5 | -4 | -2 | -6 | -7 | -7 | -5 | -4 | -4 | -4 | -2 | 0 | -6 | -6 | -4 | -5 | |
1300 | 2000 | 2650 | 2750 | 3100 | 2500 | 1600 | 1550 | 2400 | 2300 | 2200 | 3100 | 2900 | 2750 | 2350 | 2150 | 2000 | 2200 | |
Cloud base (m) | 650 | 1800 | 600 | 600 | 600 | 600 | 650 | 650 | 650 | 600 | 600 | 650 | 8850 | 700 | 750 | 650 | ||
 | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:47 | — | — |
 | — | 4:14 | — | — | 4:13 | — | — | 4:13 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mild with heavy rain (total 93mm), heaviest during Wed night. Becoming colder with a moderate fall of snow heaviest on Wed night. Freeze-thaw conditions (max 5°C on Wed morning, min -2°C on Tue morning). Winds increasing (light winds from the WSW on Tue morning, severe gales from the WSW by Wed morning).
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Sat night. Becoming milder with light rain (total 7mm) on Sun night. Mild temperatures (max 6°C on Sat afternoon, min 1°C on Sat night). Winds increasing (moderate winds from the WSW on Fri night, strong winds from the SW by Sat night).
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 |
|---|---|---|---|---|---|
SHIP4321 | |||||
 | |||||
 | |||||
SHIP7144 | |||||
SHIP1384 | |||||
SHIP2750 | |||||
SHIP9117 | |||||
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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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