– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Tue 14 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 14 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 14 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -2°C on Fri afternoon, min -9°C on Wed morning). Winds decreasing (near gales from the SW on Tue night, calm by Fri afternoon). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 12°C on Mon afternoon, min -2°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  | |  | | | | |  |  | | |  | |
heavy snow | snow shwrs | mod. snow | snow shwrs | snow shwrs | cloudy | light snow | some clouds | some clouds | some clouds | some clouds | cloudy | some clouds | some clouds | clear | clear | some clouds | clear | rain shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
24 | 2 | 6 | 3 | 1 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.7 | |
max °C | -4 | -9 | -8 | -8 | -7 | -5 | -5 | -5 | -2 | 1 | 2 | 3 | 6 | 7 | 9 | 9 | 8 | 12 | 12 |
min °C | -8 | -9 | -8 | -8 | -8 | -6 | -5 | -5 | -3 | -2 | 1 | 2 | 4 | 7 | 7 | 8 | 8 | 10 | 9 |
-15 | -16 | -15 | -14 | -16 | -12 | -11 | -7 | -3 | -4 | -1 | 0 | 2 | 5 | 5 | 7 | 8 | 10 | 9 | |
850 | 650 | 800 | 550 | 800 | 1250 | 850 | 1000 | 1350 | 2000 | 2200 | 2450 | 2800 | 3000 | 3050 | 3000 | 3100 | 3300 | 3200 | |
Cloud base (m) | 600 | 700 | 600 | 600 | 650 | 750 | 650 | 650 | 800 | 800 | 5250 | 5400 | 6550 | 6200 | 5450 | 4750 | 5100 | 6600 | 5000 |
 | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — |
 | — | — | 7:54 | — | — | 7:57 | — | — | 7:58 | — | — | — | 8:00 | — | — | 8:00 | — | — | 8:01 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -2°C on Fri afternoon, min -9°C on Wed morning). Winds decreasing (near gales from the SW on Tue night, calm by Fri afternoon).
Mount Index Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 12°C on Mon afternoon, min -2°C on Fri 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.
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