– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 4 pm Tue 27 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 27 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. Temperatures will be below freezing (max -2°C on Tue afternoon, min -4°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, light winds from the ESE by Thu afternoon). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Fri afternoon. Freeze-thaw conditions (max 7°C on Mon morning, min -4°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||
Tue 27 | Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | |  | |  |  |  | | | |  |  | |
light snow | heavy snow | light snow | light snow | snow shwrs | clear | clear | some clouds | light snow | mod. snow | cloudy | cloudy | cloudy | some clouds | light snow | some clouds | clear | |
Cloud base (m) | 600 | 600 | 600 | 600 | 700 | 850 | 900 | 700 | 700 | 600 | 900 | 1650 | 1900 | 800 | 650 | 750 | 650 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 3 | 14 | 4 | 5 | 2 | — | — | — | 2 | 8 | — | — | — | — | 1 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -2 | -3 | -4 | -4 | -4 | -3 | -3 | -2 | -3 | -4 | -3 | -3 | -3 | -3 | -4 | -3 | 4 |
min °C | -2 | -4 | -4 | -4 | -4 | -4 | -3 | -3 | -3 | -4 | -3 | -3 | -3 | -4 | -4 | -4 | -2 |
chill °C | -8 | -12 | -11 | -10 | -9 | -8 | -7 | -7 | -8 | -9 | -8 | -8 | -7 | -4 | -9 | -10 | -6 |
Freezing level m | 1550 | 1300 | 1250 | 1250 | 1050 | 1400 | 1450 | 1500 | 1200 | 1200 | 1450 | 1400 | 1400 | 1200 | 1150 | 1200 | 2850 |
 | — | — | 7:43 | — | — | 7:45 | — | — | 7:47 | — | — | 7:48 | — | — | 6:50 | — | — |
 | 5:57 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 4:47 | — |
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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. Temperatures will be below freezing (max -2°C on Tue afternoon, min -4°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, light winds from the ESE by Thu afternoon).
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Fri afternoon. Freeze-thaw conditions (max 7°C on Mon morning, min -4°C on Fri 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 |  | ||||
SHIP3600 | |||||
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* 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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