– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Sun 24 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sun 24 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 24 May Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 7°C on Sun afternoon, min -1°C on Mon night). Winds decreasing (fresh winds from the SSW on Sun night, calm by Tue morning). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 10°C on Thu afternoon, min -2°C on Fri night). Wind will be generally light. | |||||||||||||||||
Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | |  | | | | | | | |
clear | some clouds | some clouds | cloudy | light snow | light snow | light snow | cloudy | some clouds | clear | clear | clear | clear | clear | some clouds | cloudy | light snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | 5 | |
— | — | — | — | 0.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 7 | 7 | 3 | 2 | 0 | -1 | 1 | 3 | 6 | 9 | 9 | 8 | 10 | 10 | 2 | 1 | 1 |
min °C | 4 | 6 | 6 | 3 | 1 | -1 | -1 | 0 | 2 | 3 | 9 | 8 | 8 | 10 | 4 | 1 | 1 | -2 |
2 | 3 | 1 | -2 | -4 | -4 | -3 | -2 | 0 | 1 | 9 | 8 | 8 | 9 | 2 | -2 | -3 | -7 | |
2900 | 3000 | 3000 | 2300 | 2000 | 1700 | 1700 | 2050 | 3400 | 3700 | 3850 | 3750 | 3600 | 3700 | 3650 | 2550 | 2150 | 1700 | |
Cloud base (m) | 9100 | 9250 | 2400 | 800 | 1450 | 600 | 600 | 800 | 750 | 9400 | 9550 | 600 | 700 | 700 | 600 | |||
 | 5:18 | — | — | 5:16 | — | — | 5:16 | — | — | 5:15 | — | — | 5:15 | — | — | 5:13 | — | — |
 | — | — | 8:47 | — | — | 8:49 | — | — | 8:50 | — | — | 8:51 | — | — | 8:52 | — | — | 8:52 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A dusting of new snow. Freeze-thaw conditions (max 7°C on Sun afternoon, min -1°C on Mon night). Winds decreasing (fresh winds from the SSW on Sun night, calm by Tue morning).
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Fri night. Freeze-thaw conditions (max 10°C on Thu 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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