– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Tue 03 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Tue 03 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 03 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 12°C on Wed night, min 6°C on Tue morning). Wind will be generally light. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 6°C on Fri morning, min -4°C on Sun night). Winds decreasing (strong winds from the SW on Sat afternoon, light winds from the WNW by Sun night). | |||||||||||||||||
Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  | | | | |  |  |  | |  | | | | |
some clouds | some clouds | some clouds | some clouds | clear | clear | some clouds | clear | clear | some clouds | cloudy | light snow | light snow | light snow | heavy snow | light snow | cloudy | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 3 | 11 | 4 | — | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 7 | 7 | 9 | 11 | 10 | 12 | 12 | 12 | 9 | 6 | 2 | 1 | 1 | 1 | 1 | -3 | -3 | -4 |
min °C | 6 | 6 | 6 | 10 | 10 | 10 | 12 | 11 | 7 | 5 | 1 | 0 | 0 | 1 | -2 | -3 | -3 | -4 |
4 | 3 | 3 | 8 | 9 | 10 | 12 | 10 | 4 | 2 | -3 | -5 | -7 | -6 | -9 | -10 | -8 | -8 | |
2900 | 2950 | 2950 | 3500 | 3450 | 3650 | 3800 | 3800 | 3200 | 2700 | 2200 | 1900 | 1950 | 1950 | 1850 | 1400 | 1350 | 1250 | |
Cloud base (m) | 7050 | 5700 | 2750 | 4600 | 8750 | 9300 | 8800 | 2700 | 650 | 650 | 600 | 650 | 650 | 650 | 650 | |||
 | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — |
 | — | 5:09 | — | — | 5:12 | — | — | 5:13 | — | — | 5:15 | — | — | 5:15 | — | — | 5:17 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 12°C on Wed night, min 6°C on Tue morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 6°C on Fri morning, min -4°C on Sun night). Winds decreasing (strong winds from the SW on Sat afternoon, light winds from the WNW by Sun 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 |
|---|---|---|---|---|---|
 | |||||
SHIP4890 | |||||
| |||||
SHIP7749 | |||||
SHIP13458 | |||||
SHIP3446 | |||||
SHIP5941 | |||||
SHIP4289 |
* 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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