– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Mon 31 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 31 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 11mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Wed night. Very mild (max 14°C on Mon afternoon, min 1°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Thu afternoon. Becoming milder with light rain (total 2mm) on Sat afternoon. Mild temperatures (max 5°C on Fri afternoon, min 1°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  |  | |  | | | | | | | |
clear | some clouds | some clouds | some clouds | some clouds | rain shwrs | light rain | light rain | light snow | light snow | light snow | cloudy | light rain | light rain | some clouds | light rain | light rain | rain shwrs | |
Cloud base (m) | 9250 | 5850 | 5050 | 8000 | 2100 | 2000 | 1500 | 700 | 600 | 600 | 650 | 600 | 650 | 1850 | 900 | 800 | 2200 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | 4 | 2 | 3 | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 1.1 | 1.7 | 5 | 3 | — | — | — | 0.4 | 0.1 | — | 0.1 | 1.4 | 0.5 |
max °C | 12 | 14 | 14 | 10 | 10 | 7 | 5 | 5 | 4 | 1 | 1 | 2 | 2 | 5 | 5 | 4 | 4 | 5 |
min °C | 11 | 14 | 11 | 9 | 9 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 2 | 4 | 5 | 4 | 4 | 4 |
chill °C | 10 | 14 | 10 | 8 | 7 | 0 | 0 | 1 | -4 | -4 | -4 | -3 | 0 | 4 | 4 | 4 | 4 | 3 |
Freezing level m | 3750 | 3800 | 3800 | 3600 | 3300 | 2900 | 2600 | 2600 | 1950 | 2000 | 2050 | 2100 | 2350 | 2600 | 2650 | 2350 | 2450 | 2650 |
 | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — |
 | — | 7:49 | — | — | 7:46 | — | — | 7:45 | — | — | 7:43 | — | — | 7:40 | — | — | 7:38 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 11mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Wed night. Very mild (max 14°C on Mon afternoon, min 1°C on Wed night). Wind will be generally light.
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Thu afternoon. Becoming milder with light rain (total 2mm) on Sat afternoon. Mild temperatures (max 5°C on Fri afternoon, min 1°C on Thu morning). 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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