– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 3 am Tue 10 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 10 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 26mm), heaviest during Tue afternoon. Mild temperatures (max 9°C on Wed afternoon, min 3°C on Tue morning). Winds increasing (light winds from the SSW on Wed night, fresh winds from the SSE by Thu night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 5°C on Fri morning, min -1°C on Sat morning). Winds decreasing (strong winds from the SSE on Fri afternoon, light winds from the S by Fri night). | |||||||||||||||||
Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | |  |  |  |  |  |  | |  | |
heavy rain | heavy rain | rain shwrs | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light rain | snow shwrs | light snow | snow shwrs | light snow | mod. snow | snow shwrs | mod. snow | |
Cloud base (m) | 650 | 600 | 2900 | 2800 | 6600 | 6600 | 5750 | 5200 | 6100 | 1950 | 550 | 600 | 700 | 1600 | 800 | 600 | 600 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | 5 | 1 | 1 | 2 | 6 | 3 | 9 |
mm | 10 | 13 | 2 | — | — | — | — | — | — | — | 0.1 | — | — | — | — | — | — | — |
max °C | 4 | 4 | 8 | 8 | 9 | 8 | 7 | 8 | 6 | 5 | 3 | 1 | -1 | -1 | 1 | 1 | 2 | -1 |
min °C | 3 | 3 | 6 | 8 | 8 | 6 | 7 | 7 | 5 | 4 | 1 | 0 | -1 | -1 | -1 | 0 | 0 | -1 |
chill °C | -3 | -3 | 1 | 4 | 4 | 3 | 4 | 4 | 1 | -2 | -6 | -5 | -4 | -5 | -6 | -6 | -4 | -6 |
Freezing level m | 2450 | 2600 | 2850 | 2900 | 3100 | 2950 | 2900 | 2900 | 2850 | 2550 | 2450 | 1900 | 1750 | 1650 | 1850 | 1950 | 2100 | 1600 |
 | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — |
 | — | 4:35 | — | — | 4:32 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 26mm), heaviest during Tue afternoon. Mild temperatures (max 9°C on Wed afternoon, min 3°C on Tue morning). Winds increasing (light winds from the SSW on Wed night, fresh winds from the SSE by Thu night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 5°C on Fri morning, min -1°C on Sat morning). Winds decreasing (strong winds from the SSE on Fri afternoon, light winds from the S by Fri night).
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.
* 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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