– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Wed 31 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Wed 31 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Wed 31 Dec 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 Thu night. Freeze-thaw conditions (max 6°C on Wed night, min -1°C on Sat afternoon). Winds increasing (light winds from the S on Thu morning, fresh winds from the SW by Thu night). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 1°C on Sat night, min -5°C on Tue afternoon). Winds decreasing (strong winds from the S on Sat night, light winds from the WSW by Mon morning). | ||||||||||||||||||
Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  |  | | |  | | | | | | | |
some clouds | cloudy | light snow | mod. snow | mod. snow | light snow | cloudy | cloudy | snow shwrs | light snow | light snow | cloudy | snow shwrs | cloudy | cloudy | light snow | light snow | light snow | mod. snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | 1 | 10 | 7 | 3 | — | — | 2 | 1 | 2 | — | 2 | — | — | 3 | 3 | 4 | 10 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 6 | 3 | 1 | 2 | 1 | 0 | 2 | 2 | 0 | 1 | -1 | -1 | -1 | -2 | -3 | -3 | -4 | -4 | -5 |
min °C | 4 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | -1 | 0 | -1 | -1 | -2 | -3 | -3 | -4 | -4 | -5 | -6 |
1 | 0 | -5 | -4 | -7 | -7 | -5 | -4 | -7 | -5 | -7 | -7 | -8 | -6 | -7 | -10 | -10 | -13 | -14 | |
3050 | 2550 | 2200 | 2100 | 2100 | 1900 | 2000 | 2100 | 1700 | 1800 | 1600 | 1700 | 1400 | 1500 | 1400 | 1250 | 1200 | 1150 | 850 | |
Cloud base (m) | 600 | 600 | 2500 | 600 | 600 | 600 | 600 | 800 | 600 | 750 | 550 | 600 | 700 | 1450 | 650 | 600 | 600 | 600 | 700 |
 | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | — | 4:24 | — | — | 4:25 | — | — | 4:27 | — | — | 4:28 | — | — | 4:29 | — | — | 4:30 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 6°C on Wed night, min -1°C on Sat afternoon). Winds increasing (light winds from the S on Thu morning, fresh winds from the SW by Thu night).
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 1°C on Sat night, min -5°C on Tue afternoon). Winds decreasing (strong winds from the S on Sat night, light winds from the WSW 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 |
|---|---|---|---|---|---|
 | |||||
SHIP8079 | |||||
| |||||
SHIP6783 | |||||
SHIP7189 | |||||
SHIP4171 | |||||
SHIP3944 | |||||
|
* 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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