– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Wed 12 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 12 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 12 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 Fri morning. Very mild (max 14°C on Thu afternoon, min 10°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 12°C on Sat night, min 8°C on Tue morning). Wind will be generally light. | |||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | |  | |  | | |  | | |  | |
rain shwrs | some clouds | some clouds | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | some clouds | some clouds | clear | clear | clear | clear | cloudy | |
Cloud base (m) | 3400 | 3450 | 2500 | 2900 | 3450 | 3900 | 9100 | 8100 | 9450 | 9400 | 6450 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.5 | — | — | 0.6 | 1.3 | 0.7 | 0.6 | — | — | — | — | — | — | — | — | — |
max °C | 10 | 12 | 14 | 14 | 12 | 12 | 13 | 11 | 13 | 12 | 11 | 12 | 12 | 10 | 12 | 12 |
min °C | 10 | 11 | 13 | 12 | 12 | 12 | 11 | 11 | 13 | 11 | 11 | 12 | 11 | 10 | 12 | 9 |
chill °C | 10 | 11 | 13 | 12 | 12 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 10 | 8 | 11 | 6 |
Freezing level m | 3550 | 3500 | 3650 | 3550 | 3500 | 3650 | 3650 | 3700 | 3800 | 3800 | 3750 | 3900 | 4050 | 3950 | 3900 | 3850 |
 | — | 5:58 | — | — | 5:58 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — |
 | — | — | — | 8:22 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 4mm), mostly falling on Fri morning. Very mild (max 14°C on Thu afternoon, min 10°C on Wed night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 12°C on Sat night, min 8°C on Tue morning). 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 |
|---|---|---|---|---|---|
SHIP7679 | |||||
 | |||||
| |||||
SHIP4256 | |||||
SHIP9713 | |||||
SHIP9336 | |||||
SHIP8762 | |||||
* 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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