– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Sun 22 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sun 22 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 22 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 Tue night. Freeze-thaw conditions (max 1°C on Tue afternoon, min -8°C on Tue night). Winds increasing (light winds from the WSW on Sun night, near gales from the SW by Tue night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 6°C on Fri night, min -9°C on Wed morning). Winds decreasing (strong winds from the WSW on Wed morning, light winds from the N by Thu night). | |||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  |  |  | | | |  | |  | | | | |
some clouds | some clouds | some clouds | clear | some clouds | cloudy | light snow | mod. snow | heavy snow | light snow | mod. snow | heavy snow | snow shwrs | snow shwrs | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | 1 | 8 | 13 | 5 | 7 | 12 | 5 | 1 | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -2 | 0 | -1 | 0 | 0 | 0 | 1 | -1 | -9 | -8 | -8 | -8 | -6 | 0 | 1 | 3 | 6 |
min °C | -5 | -3 | -2 | -2 | 0 | -1 | 0 | -1 | -8 | -9 | -8 | -9 | -9 | -7 | -5 | 0 | 1 | 4 |
-11 | -8 | -5 | -6 | -4 | -7 | -7 | -9 | -19 | -20 | -18 | -18 | -16 | -12 | -8 | -4 | -3 | 1 | |
1050 | 1400 | 1750 | 1450 | 1750 | 1850 | 1650 | 1700 | 950 | 650 | 800 | 600 | 750 | 1050 | 0 | 2150 | 3100 | 3250 | |
Cloud base (m) | 750 | 850 | 750 | 650 | 1800 | 2800 | 1800 | 600 | 600 | 650 | 650 | 650 | 700 | 850 | 650 | 5850 | 650 | |
 | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — |
 | — | 7:21 | — | — | 7:22 | — | — | 7:23 | — | — | 7:24 | — | — | 7:27 | — | — | 7:28 | — |
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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 night. Freeze-thaw conditions (max 1°C on Tue afternoon, min -8°C on Tue night). Winds increasing (light winds from the WSW on Sun night, near gales from the SW by Tue night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 6°C on Fri night, min -9°C on Wed morning). Winds decreasing (strong winds from the WSW on Wed morning, light winds from the N by Thu 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 |
|---|---|---|---|---|---|
 | |||||
SHIP4000 | |||||
 | |||||
| |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
| |||||
* 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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