– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 pm Sun 27 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Sun 27 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 39mm), heaviest during Tue afternoon. Mild temperatures (max 7°C on Sun night, min 2°C on Tue night). Winds decreasing (strong winds from the WSW on Mon night, calm by Wed afternoon). | Days 5–7 Weather SummaryMostly dry. Very mild (max 14°C on Sat afternoon, min 6°C on Thu night). Wind will be generally light. | |||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  | |  | |  | | |  | | |
clear | some clouds | some clouds | light rain | mod. rain | heavy rain | rain shwrs | clear | some clouds | some clouds | some clouds | cloudy | rain shwrs | some clouds | rain shwrs | clear | |
Cloud base (m) | 6600 | 650 | 600 | 600 | 800 | 9150 | 3350 | 2950 | 2500 | 1900 | 1750 | 1850 | 9250 | |||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 3 | 9 | 19 | 8 | — | — | — | — | — | 0.1 | — | 0.2 | — |
max °C | 7 | 5 | 5 | 4 | 5 | 5 | 4 | 3 | 6 | 8 | 9 | 9 | 7 | 6 | 7 | 10 |
min °C | 6 | 5 | 5 | 4 | 5 | 5 | 2 | 2 | 5 | 7 | 9 | 8 | 6 | 6 | 7 | 8 |
chill °C | 4 | 2 | 2 | -1 | -1 | -1 | -4 | -1 | 4 | 6 | 7 | 5 | 3 | 4 | 5 | 6 |
Freezing level m | 2900 | 2750 | 2700 | 3250 | 3050 | 2950 | 2500 | 3300 | 3350 | 3400 | 3400 | 3300 | 3050 | 3050 | 3600 | 4050 |
 | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | — | 6:52 | — | — | 6:50 | — | — | 6:47 | — | — | 6:45 | — | — | 6:44 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 39mm), heaviest during Tue afternoon. Mild temperatures (max 7°C on Sun night, min 2°C on Tue night). Winds decreasing (strong winds from the WSW on Mon night, calm by Wed afternoon).
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 14°C on Sat afternoon, min 6°C on Thu 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 | |||||
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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