– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 4 pm Sun 25 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 25 Oct 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 Tue night. Freeze-thaw conditions (max 1°C on Sun afternoon, min -4°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the WSW by Tue night). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Wed night. Temperatures will be below freezing (max -1°C on Thu afternoon, min -4°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||
Sun 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | | |  | | | |  |  |  |  |  |  | |
light snow | light snow | light snow | light snow | mod. snow | light snow | light snow | heavy snow | light snow | light snow | light snow | clear | cloudy | cloudy | some clouds | snow shwrs | clear | |
Cloud base (m) | 600 | 1650 | 650 | 600 | 600 | 600 | 650 | 600 | 600 | 650 | 650 | 750 | 800 | 600 | 800 | 1500 | 1750 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 1 | 1 | 1 | 1 | 6 | 1 | 1 | 21 | 3 | 1 | 4 | — | — | — | — | 1 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 1 | 1 | 0 | -1 | -1 | -3 | -3 | -3 | -4 | -3 | -3 | -2 | -1 | -1 | -2 | -1 | -1 |
min °C | 1 | 0 | -1 | -1 | -2 | -3 | -3 | -4 | -4 | -4 | -3 | -3 | -2 | -2 | -2 | -1 | -1 |
chill °C | -4 | -4 | -1 | -4 | -7 | -8 | -10 | -11 | -10 | -8 | -6 | -8 | -6 | -6 | -5 | -4 | -4 |
Freezing level m | 2000 | 2000 | 1700 | 1600 | 1500 | 1300 | 1400 | 1300 | 1300 | 1350 | 1300 | 1500 | 1650 | 1550 | 1600 | 1650 | 1650 |
 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — | 7:47 | — | — |
 | 6:00 | — | — | 5:58 | — | — | 5:57 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — |
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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 Sun afternoon, min -4°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the WSW by Tue night).
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Wed night. Temperatures will be below freezing (max -1°C on Thu afternoon, min -4°C on Wed afternoon). Wind will be generally light.
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-EBSW1 | |||||
Seattl / oeing Airport |  | ||||
SHIP6253 | |||||
SHIP6616 |
* 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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