– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Mon 07 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Mon 07 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 07 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 13°C on Wed morning, min 3°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryA light covering of new snow on Fri night turning to drizzle on Sat night. Mild temperatures (max 7°C on Thu morning, min 1°C on Fri night). Wind will be generally light. | |||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | |  | | |  | |  |  | |  | |
light rain | light rain | some clouds | clear | clear | clear | clear | clear | some clouds | rain shwrs | rain shwrs | some clouds | cloudy | light rain | snow shwrs | light snow | light snow | rain shwrs | |
Cloud base (m) | 700 | 800 | 6000 | 8950 | 9500 | 9050 | 1800 | 700 | 6850 | 750 | 1500 | 600 | 600 | 700 | 1800 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 1 | — |
mm | 0.4 | 0.2 | — | — | — | — | — | — | — | 0.1 | 0.2 | — | — | 0.3 | 0.7 | — | — | 0.5 |
max °C | 4 | 5 | 7 | 8 | 11 | 12 | 13 | 13 | 12 | 7 | 7 | 7 | 2 | 2 | 2 | 1 | 2 | 3 |
min °C | 3 | 4 | 5 | 8 | 10 | 12 | 13 | 13 | 8 | 6 | 6 | 4 | 2 | 2 | 1 | 1 | 1 | 2 |
chill °C | 0 | 3 | 3 | 8 | 10 | 12 | 13 | 12 | 5 | 3 | 3 | 0 | -2 | -2 | -2 | -3 | -2 | -1 |
Freezing level m | 2600 | 2900 | 3250 | 3400 | 3700 | 4050 | 4300 | 4300 | 3850 | 3300 | 3400 | 3350 | 2400 | 2200 | 2100 | 2000 | 2150 | 2350 |
 | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — |
 | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:24 | — |
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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 Wed morning, min 3°C on Mon morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
A light covering of new snow on Fri night turning to drizzle on Sat night. Mild temperatures (max 7°C on Thu morning, min 1°C on Fri night). Wind will be generally light.
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-EBSW1 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport |  | ||||
| |||||
* 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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