– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Wed 17 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 17 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 17 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Very mild (max 13°C on Fri afternoon, min 7°C on Thu morning). Wind will be generally light. | Days 5–7 Weather SummaryMild with moderate rain (total 13mm) on Sat night, Becoming colder with a light covering of snow, mostly falling on Sun morning. Very mild (max 15°C on Tue afternoon, min 2°C on Sun morning). Winds decreasing (fresh winds from the WSW on Sat night, calm by Mon morning). | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | | | |  |  |  |  | | | | | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | some clouds | rain shwrs | light snow | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | 11 | — | 3 | 0.2 | — | — | — | — | — | — | |
max°C | 10 | 8 | 10 | 11 | 11 | 13 | 12 | 9 | 10 | 7 | 2 | 4 | 6 | 8 | 11 | 13 | 13 | 15 | 15 |
min°C | 9 | 7 | 9 | 10 | 11 | 12 | 10 | 9 | 9 | 3 | 2 | 3 | 4 | 7 | 10 | 12 | 13 | 15 | 13 |
8 | 6 | 8 | 9 | 11 | 12 | 8 | 7 | 5 | -2 | -3 | -2 | 0 | 6 | 9 | 11 | 12 | 15 | 12 | |
3850 | 3650 | 3850 | 3950 | 4100 | 4200 | 4200 | 3800 | 3500 | 2800 | 2100 | 2400 | 3700 | 3950 | 4100 | 4200 | 4200 | 4250 | 4250 | |
Cloud base (m) | 9150 | 800 | 8250 | 8850 | 9650 | 2050 | 600 | 650 | 900 | 6500 | 9350 | 9250 | |||||||
 | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | — | 7:13 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 13°C on Fri afternoon, min 7°C on Thu morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mild with moderate rain (total 13mm) on Sat night, Becoming colder with a light covering of snow, mostly falling on Sun morning. Very mild (max 15°C on Tue afternoon, min 2°C on Sun morning). Winds decreasing (fresh winds from the WSW on Sat night, calm by Mon 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
| |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP6013 | |||||
| |||||
SHIP8375 |
* 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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