– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Tue 08 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 08 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 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 19°C on Wed afternoon, min 7°C on Fri morning). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 15°C on Mon afternoon, min 8°C on Sat night). Wind will be generally light. | |||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  |  |  |  | | | | | | | |
clear | clear | clear | clear | some clouds | rain shwrs | rain shwrs | light rain | cloudy | cloudy | cloudy | light rain | rain shwrs | clear | clear | clear | |
Cloud base (m) | 9250 | 9750 | 8800 | 950 | 650 | 650 | 850 | 1600 | 5150 | 2950 | 1950 | 700 | 9000 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.2 | 0.4 | 0.1 | — | — | — | 2 | 0.4 | — | — | — |
max °C | 15 | 17 | 19 | 16 | 10 | 11 | 10 | 8 | 11 | 12 | 13 | 13 | 10 | 10 | 14 | 11 |
min °C | 14 | 15 | 19 | 12 | 10 | 10 | 8 | 7 | 10 | 10 | 12 | 11 | 8 | 9 | 13 | 10 |
chill °C | 14 | 15 | 19 | 11 | 9 | 9 | 7 | 7 | 10 | 10 | 12 | 10 | 8 | 9 | 13 | 10 |
Freezing level m | 4100 | 4300 | 4350 | 4000 | 3500 | 3200 | 2700 | 2800 | 2800 | 2750 | 2750 | 2750 | 2950 | 3050 | 3150 | 3300 |
 | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — |
 | — | — | 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 19°C on Wed afternoon, min 7°C on Fri morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Light rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 15°C on Mon afternoon, min 8°C on Sat night). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1000 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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