– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Thu 12 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Thu 12 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 12 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Thu morning. Temperatures will be well below freezing (max -6°C on Thu night, min -11°C on Sat morning). Winds decreasing (strong winds from the WSW on Thu morning, light winds from the NW by Sat night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sun night. Becoming milder with light rain (total 6mm) on Mon afternoon. Freeze-thaw conditions (max 4°C on Mon night, min -6°C on Sun morning). Winds increasing (light winds from the WNW on Sun morning, strong winds from the WSW by Tue afternoon). | |||||||||||||||||
Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | |||||||||||||
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 | light snow | mod. snow | light snow | snow shwrs | some clouds | some clouds | light snow | heavy snow | light snow | light snow | snow shwrs | rain shwrs | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
20 | 19 | 25 | 12 | 3 | 9 | 4 | 2 | — | — | 1 | 13 | 3 | 2 | 3 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 0.1 | 0.4 | 0.8 | |
max °C | -7 | -8 | -6 | -6 | -6 | -7 | -11 | -10 | -7 | -5 | -4 | -1 | 1 | 2 | 4 | 4 | 4 | 4 |
min °C | -8 | -8 | -8 | -6 | -6 | -10 | -11 | -11 | -10 | -6 | -4 | -4 | 0 | 2 | 2 | 4 | 4 | 3 |
-17 | -17 | -16 | -13 | -13 | -20 | -21 | -20 | -18 | -9 | -8 | -10 | -7 | -4 | -4 | -2 | -2 | -3 | |
650 | 600 | 450 | 700 | 700 | 450 | 400 | 500 | 0 | 850 | 800 | 1100 | 2250 | 3200 | 3200 | 2900 | 2950 | 2600 | |
Cloud base (m) | 650 | 650 | 600 | 600 | 600 | 600 | 650 | 650 | 700 | 2400 | 950 | 650 | 650 | 600 | 650 | 650 | 650 | 750 |
 | 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 well below freezing (max -6°C on Thu night, min -11°C on Sat morning). Winds decreasing (strong winds from the WSW on Thu morning, light winds from the NW by Sat night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun night. Becoming milder with light rain (total 6mm) on Mon afternoon. Freeze-thaw conditions (max 4°C on Mon night, min -6°C on Sun morning). Winds increasing (light winds from the WNW on Sun morning, strong winds from the WSW by Tue afternoon).
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 |
|---|---|---|---|---|---|
 | |||||
SHIP9008 |
* 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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