– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Thu 12 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Thu 12 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 12 Feb 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 Fri night. Temperatures will be below freezing (max 0°C on Thu morning, min -7°C on Fri night). Winds decreasing (fresh winds from the SW on Fri night, light winds from the SW by Sat afternoon). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -2°C on Mon afternoon, min -7°C on Tue night). Winds increasing (light winds from the S on Sun night, fresh winds from the SE by Mon afternoon). | |||||||||||||||||
Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | | | | | | |  |  |  | |
some clouds | clear | some clouds | cloudy | light snow | heavy snow | cloudy | cloudy | light snow | light snow | cloudy | light snow | cloudy | cloudy | heavy snow | mod. snow | snow shwrs | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 4 | 12 | — | — | 4 | 3 | — | 1 | — | — | 12 | 7 | 1 | 6 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | -1 | -3 | -3 | -4 | -4 | -6 | -5 | -4 | -3 | -3 | -3 | -3 | -2 | -2 | -6 | -5 | -6 |
min °C | -1 | -2 | -4 | -4 | -4 | -7 | -6 | -6 | -5 | -3 | -3 | -3 | -3 | -3 | -6 | -6 | -5 | -7 |
-5 | -7 | -10 | -10 | -10 | -13 | -11 | -9 | -10 | -9 | -9 | -8 | -10 | -11 | -12 | -13 | -10 | -14 | |
1800 | 1500 | 1250 | 1250 | 1200 | 1050 | 900 | 1000 | 900 | 1250 | 1300 | 1250 | 1150 | 1300 | 1450 | 800 | 950 | 800 | |
Cloud base (m) | 5150 | 3050 | 2000 | 600 | 600 | 600 | 600 | 650 | 600 | 600 | 600 | 550 | 550 | 500 | 1250 | 600 | 600 | 600 |
 | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — |
 | — | 5:23 | — | — | 5:25 | — | — | 5:27 | — | — | 5:29 | — | — | 5:30 | — | — | 5:31 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Fri night. Temperatures will be below freezing (max 0°C on Thu morning, min -7°C on Fri night). Winds decreasing (fresh winds from the SW on Fri night, light winds from the SW by Sat afternoon).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -2°C on Mon afternoon, min -7°C on Tue night). Winds increasing (light winds from the S on Sun night, fresh winds from the SE by Mon 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 |
|---|---|---|---|---|---|
 | |||||
SHIP4243 | |||||
| |||||
| |||||
| |||||
BUOY-46120 | |||||
Seattl / oeing Airport |  | ||||
SHIP3071 |
* 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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