– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Wed 19 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 19 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 19 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Sat afternoon. Warm (max 26°C on Fri afternoon, min 12°C on Sat afternoon). Wind will be generally light. | Days 5–7 Weather SummarySome drizzle, heaviest during Sat night. Warm (max 20°C on Mon afternoon, min 9°C on Sat night). Wind will be generally light. | |||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  |  |  |  |  |  |  | | | | | | | |
clear | clear | clear | clear | some clouds | cloudy | some clouds | rain shwrs | light rain | rain shwrs | light rain | rain shwrs | clear | clear | clear | clear | |
Cloud base (m) | 9600 | 5000 | 6200 | 4350 | 850 | 700 | 700 | 650 | 700 | |||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | 0.6 | 3 | 1.1 | 0.6 | 0.1 | — | — | — | — |
max °C | 18 | 21 | 24 | 21 | 25 | 26 | 23 | 15 | 14 | 11 | 10 | 13 | 12 | 17 | 20 | 17 |
min °C | 17 | 18 | 23 | 20 | 22 | 26 | 18 | 15 | 12 | 9 | 9 | 11 | 11 | 14 | 20 | 14 |
chill °C | 17 | 18 | 23 | 20 | 22 | 26 | 18 | 15 | 11 | 7 | 8 | 10 | 11 | 14 | 20 | 14 |
Freezing level m | 4350 | 4300 | 4550 | 4650 | 4550 | 4550 | 4400 | 4050 | 3650 | 3150 | 3100 | 3600 | 3950 | 3950 | 4000 | 3950 |
 | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:13 | — | — |
 | — | — | — | 8:09 | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:02 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 4mm), mostly falling on Sat afternoon. Warm (max 26°C on Fri afternoon, min 12°C on Sat afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Some drizzle, heaviest during Sat night. Warm (max 20°C on Mon afternoon, min 9°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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