– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Tue 11 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 11 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 11 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 5mm), mostly falling on Wed night. Very mild (max 14°C on Thu afternoon, min 8°C on Wed morning). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 15°C on Mon afternoon, min 11°C on Fri night). Wind will be generally light. | |||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | | | | | |  | | |  | |
some clouds | some clouds | rain shwrs | rain shwrs | some clouds | clear | risk tstorm | rain shwrs | rain shwrs | risk tstorm | clear | clear | some clouds | some clouds | clear | clear | |
Cloud base (m) | 2400 | 3400 | 3200 | 3200 | 3100 | 9000 | 9550 | 4050 | 6800 | 9250 | ||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | 0.1 | 2 | — | — | 1.2 | 1.2 | 0.4 | 0.4 | — | — | — | — | — | — |
max °C | 10 | 8 | 11 | 10 | 11 | 14 | 14 | 13 | 13 | 13 | 11 | 13 | 13 | 12 | 14 | 14 |
min °C | 9 | 8 | 10 | 10 | 10 | 12 | 13 | 12 | 13 | 11 | 11 | 13 | 11 | 12 | 13 | 13 |
chill °C | 8 | 8 | 10 | 10 | 10 | 12 | 13 | 12 | 12 | 11 | 11 | 12 | 11 | 12 | 12 | 12 |
Freezing level m | 3750 | 3500 | 3600 | 3550 | 3500 | 3600 | 3500 | 3500 | 3600 | 3600 | 3700 | 3850 | 3800 | 3850 | 3950 | 4050 |
 | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | — | — | 8:23 | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 5mm), mostly falling on Wed night. Very mild (max 14°C on Thu afternoon, min 8°C on Wed morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 15°C on Mon afternoon, min 11°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 | | ||||
SHIP1846 | |||||
SHIP1763 | |||||
SHIP2667 |
* 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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