– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Thu 05 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Thu 05 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Thu 05 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Sat afternoon. Freeze-thaw conditions (max 14°C on Thu morning, min -2°C on Sat night). Winds increasing (light winds from the SSW on Thu night, strong 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 -3°C on Sun morning, min -7°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the SW by Mon afternoon). | |||||||||||||||||
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | |  |  | | |  | | | |  | | | |
some clouds | some clouds | some clouds | clear | cloudy | some clouds | cloudy | mod. snow | heavy snow | cloudy | cloudy | light snow | mod. snow | mod. snow | heavy snow | light snow | light snow | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | 6 | 11 | — | — | 2 | 6 | 7 | 11 | 1 | 2 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 14 | 13 | 9 | 7 | 5 | 4 | 2 | 1 | 1 | -3 | -3 | -4 | -5 | -4 | -5 | -5 | -6 | -6 |
min °C | 14 | 10 | 7 | 5 | 5 | 3 | 0 | 1 | -2 | -3 | -4 | -5 | -5 | -4 | -6 | -6 | -6 | -7 |
14 | 8 | 5 | 2 | 2 | -2 | -6 | -6 | -6 | -5 | -8 | -12 | -12 | -12 | -11 | -11 | -11 | -10 | |
3850 | 3750 | 3200 | 2850 | 2700 | 2300 | 2200 | 2000 | 1900 | 1450 | 1350 | 1050 | 1050 | 1150 | 1000 | 1050 | 950 | 750 | |
Cloud base (m) | 8350 | 7050 | 6400 | 6450 | 3250 | 2950 | 850 | 600 | 750 | 850 | 650 | 650 | 600 | 600 | 700 | 650 | 600 | |
 | 7:26 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — |
 | — | 5:13 | — | — | 5:15 | — | — | 5:15 | — | — | 5:17 | — | — | 5:20 | — | — | 5:21 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A moderate fall of snow, heaviest on Sat afternoon. Freeze-thaw conditions (max 14°C on Thu morning, min -2°C on Sat night). Winds increasing (light winds from the SSW on Thu night, strong 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 -3°C on Sun morning, min -7°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the SW 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport |  | ||||
SHIP3967 | |||||
SHIP4922 | |||||
SHIP1049 |
* 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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