– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 4 pm Fri 09 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 09 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Fri afternoon. Freeze-thaw conditions (max 3°C on Sun night, min -3°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 18mm), heaviest on Wed afternoon. Mild temperatures (max 6°C on Thu morning, min 4°C on Mon afternoon). Winds increasing (calm on Mon afternoon, fresh winds from the WSW by Wed afternoon). | ||||||||||||||||
Fri 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | |  | |  |  |  |  |  | |
light snow | light snow | snow shwrs | some clouds | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | cloudy | light rain | heavy rain | light rain | |
Cloud base (m) | 600 | 600 | 600 | 850 | 1800 | 3050 | 2350 | 1750 | 1750 | 700 | 650 | 700 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | 2 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.9 | 12 | 5 |
max °C | 0 | -2 | -3 | -1 | 0 | 1 | 2 | 3 | 3 | 4 | 5 | 4 | 4 | 4 | 4 | 5 | 5 |
min °C | -2 | -3 | -3 | -2 | -1 | 0 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 |
chill °C | -7 | -7 | -6 | -4 | -4 | -3 | 1 | 1 | 1 | 3 | 1 | 0 | 1 | 1 | 0 | 0 | 1 |
Freezing level m | 1500 | 1300 | 1350 | 1600 | 1750 | 1950 | 2250 | 2750 | 3300 | 3250 | 3100 | 2750 | 2850 | 2600 | 2750 | 2800 | 3300 |
 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — |
 | 6:30 | — | — | 6:28 | — | — | 6:25 | — | — | 6:23 | — | — | 6:22 | — | — | 6:20 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A light covering of new snow mostly falling on Fri afternoon. Freeze-thaw conditions (max 3°C on Sun night, min -3°C on Fri night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 18mm), heaviest on Wed afternoon. Mild temperatures (max 6°C on Thu morning, min 4°C on Mon afternoon). Winds increasing (calm on Mon afternoon, fresh winds from the WSW by Wed 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 |
|---|---|---|---|---|---|
 | |||||
SHIP6364 | |||||
| |||||
| |||||
SHIP11388 | |||||
SHIP11007 | |||||
SHIP3595 | |||||
SHIP4634 | |||||
SHIP5225 |
* 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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