– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Tue 14 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 14 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 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 afternoon. Temperatures will be below freezing (max -3°C on Tue night, min -9°C on Tue night). Winds decreasing (gales from the SW on Tue night, calm by Fri morning). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 9°C on Sun afternoon, min -4°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||
Tue 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  | | |  |  |  | | | |  | |
heavy snow | heavy snow | light snow | mod. snow | mod. snow | light snow | some clouds | snow shwrs | some clouds | some clouds | some clouds | clear | cloudy | some clouds | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
11 | 12 | 1 | 8 | 7 | 1 | — | 3 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -3 | -9 | -7 | -8 | -7 | -5 | -5 | -5 | -3 | 0 | 1 | 4 | 6 | 7 | 9 | 9 |
min °C | -4 | -9 | -9 | -8 | -8 | -8 | -6 | -5 | -5 | -4 | -2 | 1 | 2 | 4 | 7 | 8 | 8 |
-13 | -16 | -15 | -14 | -14 | -15 | -12 | -10 | -8 | -4 | -2 | -1 | 0 | 2 | 6 | 8 | 6 | |
1100 | 750 | 650 | 800 | 450 | 800 | 1150 | 900 | 1000 | 1300 | 1800 | 2000 | 2400 | 2700 | 2900 | 3000 | 3100 | |
Cloud base (m) | 600 | 600 | 750 | 600 | 650 | 650 | 650 | 650 | 650 | 750 | 650 | 4650 | 1650 | 6400 | 6400 | 7800 | |
 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — |
 | 7:53 | — | — | 7:54 | — | — | 7:57 | — | — | 7:58 | — | — | — | 8:00 | — | — | 8:00 |
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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 afternoon. Temperatures will be below freezing (max -3°C on Tue night, min -9°C on Tue night). Winds decreasing (gales from the SW on Tue night, calm by Fri morning).
Mount Index Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 9°C on Sun afternoon, min -4°C on Fri afternoon). 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
* 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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