– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Sun 07 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 07 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 07 Dec 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 Mon night. Becoming milder with heavy rain (total 27mm) on Tue night. Freeze-thaw conditions (max 3°C on Mon afternoon, min -4°C on Mon night). Winds decreasing (severe gales from the WSW on Mon night, light winds from the WSW by Tue morning). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Wed afternoon. Becoming milder with light rain (total 10mm) on Thu night. Freeze-thaw conditions (max 2°C on Thu night, min -2°C on Wed afternoon). Mainly strong winds. | ||||||||||||||||
Sun 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | |  | | | |  | | | |
light snow | light snow | mod. snow | heavy rain | heavy snow | some clouds | light snow | light snow | mod. snow | mod. snow | mod. snow | light snow | light snow | light snow | light rain | light snow | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
2 | 4 | 7 | — | 13 | — | 1 | 5 | 8 | 6 | 7 | 3 | 3 | 2 | — | 3 | 4 | |
— | — | — | 11 | 6 | — | — | 10 | — | — | — | — | — | 6 | 4 | — | — | |
max°C | -1 | -1 | 2 | 3 | 3 | -2 | 0 | 3 | 0 | -1 | -1 | 0 | 0 | 2 | 2 | 2 | 2 |
min°C | -2 | -2 | 0 | 3 | -4 | -2 | -1 | 2 | -1 | -2 | -2 | -1 | 0 | 1 | 2 | 1 | 1 |
-11 | -11 | -7 | -5 | -13 | -7 | -8 | -6 | -8 | -9 | -8 | -7 | -6 | -5 | -4 | -6 | -4 | |
1650 | 1500 | 1750 | 2400 | 1350 | 1350 | 1800 | 2400 | 1900 | 1500 | 1500 | 1700 | 1850 | 2200 | 2200 | 2100 | 2100 | |
Cloud base (m) | 600 | 650 | 700 | 600 | 600 | 700 | 2050 | 600 | 600 | 600 | 600 | 650 | 650 | 650 | 600 | 600 | 600 |
 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — |
 | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:13 | — | — | 4:13 | — | — | 4:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Mon night. Becoming milder with heavy rain (total 27mm) on Tue night. Freeze-thaw conditions (max 3°C on Mon afternoon, min -4°C on Mon night). Winds decreasing (severe gales from the WSW on Mon night, light winds from the WSW by Tue morning).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed afternoon. Becoming milder with light rain (total 10mm) on Thu night. Freeze-thaw conditions (max 2°C on Thu night, min -2°C on Wed afternoon). Mainly strong winds.
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 |
|---|---|---|---|---|---|
SHIP9671 | |||||
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SHIP2955 | |||||
SHIP9130 | |||||
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* 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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