– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Wed 11 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 11 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 11 Mar 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 Thu morning. Temperatures will be below freezing (max 0°C on Wed night, min -11°C on Sat morning). Winds decreasing (extremely windy from the WSW on Wed night, light winds from the W by Fri night). | Days 5–7 Weather SummaryA light fall of snow, heaviest on Sun night. Turning milder with light rain (total 10mm) on Mon afternoon. Freeze-thaw conditions (max 5°C on Tue afternoon, min -10°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the W by Mon night). | ||||||||||||||||||
Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  |  |  | |  |  | | | |  |  |  | |  | |
heavy snow | heavy snow | heavy snow | heavy snow | heavy snow | light snow | mod. snow | mod. snow | light snow | snow shwrs | cloudy | cloudy | heavy snow | light snow | mod. rain | rain shwrs | rain shwrs | rain shwrs | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
17 | 22 | 20 | 30 | 13 | 3 | 7 | 9 | 2 | 1 | — | — | 11 | 2 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 3 | 0.1 | 0.5 | — | |
max °C | 0 | -8 | -8 | -7 | -6 | -6 | -6 | -10 | -10 | -7 | -4 | -4 | -1 | 1 | 2 | 4 | 4 | 5 | 6 |
min °C | -7 | -8 | -8 | -8 | -6 | -6 | -10 | -11 | -11 | -10 | -6 | -5 | -3 | 0 | 2 | 3 | 4 | 4 | 5 |
-17 | -18 | -17 | -17 | -13 | -13 | -19 | -20 | -19 | -18 | -8 | -10 | -9 | -6 | -4 | -3 | -2 | -1 | 1 | |
1000 | 650 | 600 | 500 | 650 | 750 | 500 | 400 | 550 | 0 | 900 | 900 | 1200 | 2900 | 3300 | 3350 | 3250 | 3200 | 3100 | |
Cloud base (m) | 600 | 650 | 650 | 600 | 600 | 600 | 600 | 650 | 700 | 650 | 2400 | 950 | 650 | 650 | 650 | 650 | 650 | 650 | 5250 |
 | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — | 7:15 | — | — |
 | — | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — | — | 7:12 | — | — | 7:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max 0°C on Wed night, min -11°C on Sat morning). Winds decreasing (extremely windy from the WSW on Wed night, light winds from the W by Fri night).
Mount Index Weather (Days 3-6):
A light fall of snow, heaviest on Sun night. Turning milder with light rain (total 10mm) on Mon afternoon. Freeze-thaw conditions (max 5°C on Tue afternoon, min -10°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the W by Mon night).
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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SHIP6614 |
* 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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