– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Wed 31 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Wed 31 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Wed 31 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 45mm), heaviest during Thu night. Mild temperatures (max 6°C on Wed night, min 3°C on Thu afternoon). Wind will be generally light. | Days 5–7 Weather SummaryMild with moderate rain (total 12mm) on Sun morning, Becoming colder with a light covering of snow, mostly falling on Mon night. Freeze-thaw conditions (max 5°C on Sat night, min 0°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||
Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  | | | |  | | |  |  | |  | |
some clouds | cloudy | light rain | heavy rain | heavy rain | light rain | light rain | light rain | rain shwrs | light rain | light rain | light rain | rain shwrs | light rain | light rain | light snow | light snow | light snow | mod. snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 6 | |
— | — | 1.1 | 20 | 14 | 4 | 1.2 | 0.1 | 4 | 3 | 4 | 1.4 | 3 | 0.2 | 0.3 | — | — | — | — | |
max °C | 6 | 6 | 4 | 5 | 5 | 5 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | -1 |
min °C | 6 | 6 | 3 | 4 | 5 | 5 | 5 | 5 | 4 | 4 | 3 | 4 | 3 | 2 | 2 | 1 | 1 | 0 | -1 |
5 | 6 | 0 | 2 | 1 | 2 | 3 | 2 | 1 | 1 | 0 | 2 | 0 | 2 | 0 | -2 | -3 | -5 | -6 | |
3050 | 2550 | 2200 | 2100 | 2100 | 1900 | 2000 | 2100 | 1700 | 1800 | 1600 | 1700 | 1400 | 1500 | 1400 | 1250 | 1200 | 1150 | 850 | |
Cloud base (m) | 600 | 600 | 2500 | 600 | 600 | 600 | 600 | 800 | 600 | 750 | 550 | 600 | 700 | 1450 | 650 | 600 | 600 | 600 | 700 |
 | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | — | 4:24 | — | — | 4:25 | — | — | 4:27 | — | — | 4:28 | — | — | 4:29 | — | — | 4:30 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 45mm), heaviest during Thu night. Mild temperatures (max 6°C on Wed night, min 3°C on Thu afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mild with moderate rain (total 12mm) on Sun morning, Becoming colder with a light covering of snow, mostly falling on Mon night. Freeze-thaw conditions (max 5°C on Sat night, min 0°C on Tue afternoon). 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 |
|---|---|---|---|---|---|
 | |||||
SHIP4395 | |||||
| |||||
SHIP1217 | |||||
SHIP6783 | |||||
SHIP7189 | |||||
SHIP4171 | |||||
SHIP4496 |
* 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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