– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Thu 09 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Thu 09 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Thu 09 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 3mm), mostly falling on Sat afternoon. Very mild (max 14°C on Fri afternoon, min 4°C on Sat afternoon). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 5mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 6°C on Sun afternoon, min -3°C on Tue night). Winds increasing (light winds from the WNW on Sun afternoon, fresh winds from the SSW by Tue night). | ||||||||||||||||
Thu 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | | |  |  | | | | |  | |
clear | clear | cloudy | cloudy | cloudy | light rain | light rain | light rain | light rain | light rain | light snow | light snow | light rain | light snow | light snow | light snow | heavy snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | 2 | 2 | — | 2 | 3 | 5 | 17 | |
— | — | — | — | — | 0.1 | 2 | 0.3 | 0.1 | 0.9 | 2 | — | 0.4 | 1.5 | — | — | — | |
max °C | 13 | 12 | 12 | 14 | 11 | 6 | 4 | 4 | 4 | 6 | 5 | 1 | 2 | 2 | 0 | 1 | 1 |
min °C | 13 | 9 | 10 | 13 | 8 | 5 | 4 | 4 | 4 | 5 | 1 | 0 | 1 | 0 | 0 | 0 | -3 |
13 | 8 | 10 | 13 | 8 | 3 | 3 | 3 | 4 | 4 | -2 | -4 | -1 | -4 | -5 | -6 | -8 | |
2750 | 2800 | 2750 | 2650 | 2450 | 1850 | 1750 | 1800 | 1750 | 1850 | 1150 | 1100 | 1300 | 1000 | 1050 | 1050 | 1050 | |
Cloud base (m) | 9300 | 9300 | 3400 | 2550 | 2000 | 800 | 600 | 600 | 600 | 650 | 600 | 650 | 600 | 600 | 650 | 600 | 600 |
 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — |
 | 7:46 | — | — | 7:47 | — | — | 7:50 | — | — | 7:51 | — | — | 7:52 | — | — | 7:53 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 3mm), mostly falling on Sat afternoon. Very mild (max 14°C on Fri afternoon, min 4°C on Sat afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Light rain (total 5mm) on Sun night. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 6°C on Sun afternoon, min -3°C on Tue night). Winds increasing (light winds from the WNW on Sun afternoon, fresh winds from the SSW by Tue night).
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.
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