– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Wed 13 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 13 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 13 May 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 Fri night. Temperatures will be below freezing (max 0°C on Wed night, min -5°C on Fri night). Winds decreasing (strong winds from the WSW on Wed night, light winds from the W by Sat morning). | Days 5–7 Weather SummaryA dusting of snow on Sat night. Freezing level rising with drizzle on Tue afternoon. Freeze-thaw conditions (max 3°C on Tue afternoon, min -4°C on Sat night). Mainly fresh winds. | ||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  |  |  | |  | | |  | |  |  | |
mod. snow | cloudy | light snow | mod. snow | light snow | mod. snow | heavy snow | light snow | snow shwrs | snow shwrs | some clouds | cloudy | some clouds | cloudy | cloudy | cloudy | some clouds | rain shwrs | rain shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
7 | — | 2 | 9 | 2 | 7 | 12 | 4 | 4 | 1 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 0.3 | |
max °C | 0 | -1 | -1 | -2 | -4 | -3 | -3 | -5 | -4 | -4 | -3 | -1 | 0 | -1 | 0 | 1 | 1 | 3 | 4 |
min °C | -2 | -2 | -1 | -3 | -4 | -4 | -5 | -5 | -4 | -4 | -3 | -2 | -2 | -2 | 0 | 0 | 1 | 2 | 3 |
-8 | -8 | -7 | -10 | -11 | -12 | -13 | -12 | -10 | -11 | -6 | -5 | -5 | -5 | -4 | -5 | -2 | -2 | -1 | |
1650 | 1600 | 1700 | 1450 | 1250 | 1300 | 1200 | 1150 | 1350 | 1050 | 1250 | 1600 | 1650 | 1550 | 1900 | 1950 | 2200 | 2400 | 3100 | |
Cloud base (m) | 650 | 850 | 700 | 600 | 750 | 600 | 600 | 650 | 650 | 650 | 650 | 850 | 1800 | 850 | 950 | 650 | 650 | 1550 | 2100 |
 | — | 5:30 | — | — | 5:28 | — | — | 5:26 | — | — | 5:26 | — | — | 5:24 | — | — | 5:22 | — | — |
 | — | — | — | 8:36 | — | — | 8:37 | — | — | 8:37 | — | — | 8:38 | — | — | 8:40 | — | — | 8:42 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Wed night, min -5°C on Fri night). Winds decreasing (strong winds from the WSW on Wed night, light winds from the W by Sat morning).
Mount Index Weather (Days 3-6):
A dusting of snow on Sat night. Freezing level rising with drizzle on Tue afternoon. Freeze-thaw conditions (max 3°C on Tue afternoon, min -4°C on Sat night). Mainly fresh 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 |
|---|---|---|---|---|---|
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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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