– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Tue 08 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 08 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 08 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 Wed morning, min 3°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Mild temperatures (max 8°C on Sat afternoon, min 5°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||
Tue 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  | |  |  |  |  | | | | | | | |
clear | clear | clear | clear | clear | rain shwrs | rain shwrs | rain shwrs | some clouds | cloudy | cloudy | some clouds | rain shwrs | clear | clear | clear | clear | |
Cloud base (m) | 9050 | 8750 | 900 | 600 | 800 | 800 | 5550 | 4450 | 3350 | 2600 | |||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.1 | 0.4 | 0.4 | — | — | — | — | 0.2 | — | — | — | — |
max °C | 11 | 12 | 13 | 13 | 13 | 6 | 5 | 6 | 3 | 6 | 7 | 7 | 8 | 7 | 6 | 8 | 8 |
min °C | 10 | 12 | 12 | 13 | 9 | 6 | 5 | 3 | 3 | 5 | 6 | 7 | 7 | 6 | 6 | 8 | 7 |
chill °C | 10 | 12 | 12 | 12 | 6 | 2 | 1 | 0 | 3 | 4 | 4 | 5 | 6 | 3 | 6 | 8 | 6 |
Freezing level m | 3650 | 4050 | 4300 | 4250 | 4000 | 3450 | 2900 | 2950 | 2800 | 2800 | 2750 | 2750 | 2900 | 3150 | 3250 | 3400 | 3550 |
 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — |
 | 7:32 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:24 | — | — | 7:22 | — |
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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 Thu night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Mild temperatures (max 8°C on Sat afternoon, min 5°C on Fri afternoon). 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.
* 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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