– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Thu 20 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Thu 20 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 20 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 Sat afternoon. Warm (max 21°C on Fri afternoon, min 5°C on Sun morning). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 17°C on Tue afternoon, min 8°C on Sun night). Wind will be generally light. | |||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  |  | |  | | | | | |  | |
clear | some clouds | some clouds | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | clear | clear | some clouds | clear | clear | clear | some clouds | |
Cloud base (m) | 5350 | 650 | 900 | 850 | 650 | 900 | 9000 | 4650 | ||||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.1 | 0.1 | 3 | 0.3 | 1.1 | 0.3 | — | — | — | — | — | — | — |
max °C | 19 | 20 | 21 | 19 | 12 | 10 | 9 | 5 | 7 | 9 | 11 | 14 | 15 | 15 | 17 | 17 |
min °C | 18 | 20 | 20 | 16 | 10 | 9 | 6 | 5 | 6 | 8 | 10 | 12 | 14 | 15 | 17 | 14 |
chill °C | 18 | 20 | 20 | 16 | 9 | 7 | 3 | 2 | 4 | 5 | 10 | 12 | 14 | 15 | 17 | 14 |
Freezing level m | 4600 | 4600 | 4650 | 4300 | 4150 | 3850 | 3250 | 3100 | 3550 | 4050 | 4050 | 4050 | 4050 | 4150 | 4250 | 4150 |
 | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | — | — | 8:07 | — | — | 8:06 | — | — | 8:05 | — | — | 8:02 | — | — | 8:00 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 5mm), mostly falling on Sat afternoon. Warm (max 21°C on Fri afternoon, min 5°C on Sun morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 17°C on Tue afternoon, min 8°C on Sun 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 | | ||||
SHIP6550 | |||||
SHIP3189 | |||||
SHIP10954 |
* 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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