– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Fri 20 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Fri 20 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 20 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max -2°C on Sat night, min -8°C on Fri morning). Winds increasing (light winds from the S on Fri night, fresh winds from the SW by Sun night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Mon afternoon, min -7°C on Mon night). Mainly fresh winds. | |||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  | | | |  | | | | |  |  |  | |  | |
cloudy | cloudy | cloudy | cloudy | light snow | cloudy | light snow | light snow | mod. snow | light snow | light snow | mod. snow | light snow | mod. snow | heavy snow | snow shwrs | light snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 1 | — | 1 | 2 | 7 | 3 | 5 | 10 | 3 | 7 | 21 | 2 | 2 | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -7 | -5 | -4 | -4 | -2 | -2 | -3 | -4 | -1 | 0 | -3 | -7 | -6 | -6 | -6 | -6 | -6 |
min °C | -8 | -7 | -7 | -4 | -4 | -3 | -4 | -3 | -5 | -3 | -1 | -7 | -7 | -6 | -7 | -7 | -6 | -6 |
-14 | -12 | -11 | -10 | -11 | -10 | -9 | -9 | -14 | -8 | -8 | -16 | -15 | -14 | -15 | -15 | -14 | -14 | |
500 | 800 | 550 | 900 | 1100 | 1050 | 1450 | 1250 | 1000 | 1150 | 1750 | 1100 | 800 | 900 | 750 | 800 | 900 | 800 | |
Cloud base (m) | 650 | 700 | 1550 | 2600 | 1950 | 2250 | 1600 | 750 | 650 | 800 | 600 | 600 | 650 | 600 | 650 | 650 | 650 | 650 |
 | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — |
 | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:42 | — | — | 5:43 | — | — | 5:45 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max -2°C on Sat night, min -8°C on Fri morning). Winds increasing (light winds from the S on Fri night, fresh winds from the SW by Sun night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max 0°C on Mon afternoon, min -7°C on Mon 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport |  | ||||
SHIP5481 | |||||
SHIP9832 | |||||
SHIP2660 |
* 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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