– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Wed 28 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Wed 28 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Wed 28 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Wed morning. Becoming milder with drizzle, on Thu night. Freeze-thaw conditions (max 4°C on Fri night, min -3°C on Wed morning). Winds decreasing (fresh winds from the SW on Wed afternoon, light winds from the WSW by Fri night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sun afternoon. Freeze-thaw conditions (max 6°C on Sat afternoon, min -5°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun morning, calm by Mon morning). | |||||||||||||||||
Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | |  | |  | | | |  |  | |  | |
snow shwrs | light snow | mod. snow | light snow | cloudy | light snow | light snow | light snow | some clouds | cloudy | light rain | some clouds | light snow | light snow | snow shwrs | some clouds | cloudy | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
5 | 4 | 9 | 4 | — | 1 | 1 | 3 | — | — | — | — | 1 | 5 | 2 | — | — | — | |
— | — | — | — | — | 1.4 | — | — | — | — | 0.1 | — | — | — | — | — | — | — | |
max °C | -3 | -2 | -1 | 0 | 1 | 2 | 0 | 1 | 4 | 5 | 6 | 6 | 1 | -2 | -3 | -4 | -3 | -1 |
min °C | -3 | -2 | -1 | -1 | 0 | 1 | 0 | 0 | 2 | 5 | 6 | 3 | -2 | -2 | -5 | -4 | -3 | -2 |
-10 | -9 | -8 | -7 | -6 | -4 | -6 | -6 | -2 | 2 | 3 | -2 | -8 | -8 | -8 | -6 | -7 | -6 | |
1250 | 1450 | 1700 | 1700 | 1850 | 2050 | 1900 | 1800 | 2450 | 2600 | 2600 | 2500 | 2000 | 1550 | 1250 | 1200 | 1350 | 1450 | |
Cloud base (m) | 650 | 700 | 650 | 650 | 700 | 650 | 2150 | 650 | 650 | 650 | 2550 | 650 | 2850 | 800 | 800 | 750 | 950 | 850 |
 | 7:37 | — | — | 7:35 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — | 7:31 | — | — |
 | — | 5:00 | — | — | 5:01 | — | — | 5:04 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Wed morning. Becoming milder with drizzle, on Thu night. Freeze-thaw conditions (max 4°C on Fri night, min -3°C on Wed morning). Winds decreasing (fresh winds from the SW on Wed afternoon, light winds from the WSW by Fri night).
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Sun afternoon. Freeze-thaw conditions (max 6°C on Sat afternoon, min -5°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun morning, calm by Mon morning).
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 |
|---|---|---|---|---|---|
SHIP10660 | |||||
 | |||||
| |||||
SHIP7768 | |||||
SHIP4716 | |||||
SHIP2574 | |||||
SHIP5860 | |||||
|
* 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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