– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Sun 01 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Sun 01 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Sun 01 Mar 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 Tue night. Freeze-thaw conditions (max 3°C on Sun morning, min -3°C on Tue night). Winds increasing (light winds from the WNW on Mon afternoon, fresh winds from the SW by Tue morning). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max 0°C on Fri night, min -7°C on Wed night). Winds increasing (light winds from the NW on Thu night, fresh winds from the NW by Fri night). | |||||||||||||||||
Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  |  |  | |  | | |  |  |  |  | |
clear | clear | clear | clear | clear | some clouds | light snow | mod. snow | heavy snow | snow shwrs | mod. snow | mod. snow | light snow | light snow | light snow | some clouds | cloudy | cloudy | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | 1 | 8 | 19 | 12 | 8 | 10 | 4 | 2 | 4 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 3 | 3 | 3 | 2 | 3 | 2 | -1 | -1 | -2 | -3 | -3 | -5 | -6 | -5 | -4 | -3 | -2 | 0 |
min °C | 3 | 3 | 1 | 2 | 2 | 0 | -1 | -2 | -3 | -3 | -4 | -7 | -7 | -6 | -5 | -4 | -3 | -1 |
-1 | -2 | -4 | -2 | -1 | -5 | -7 | -9 | -9 | -10 | -12 | -14 | -14 | -13 | -12 | -11 | -9 | -7 | |
2350 | 2250 | 2400 | 2200 | 2200 | 2200 | 1750 | 1600 | 1450 | 1250 | 1350 | 1000 | 850 | 900 | 1000 | 1100 | 1300 | 1700 | |
Cloud base (m) | 9150 | 1600 | 600 | 600 | 600 | 650 | 650 | 650 | 650 | 650 | 650 | 800 | 650 | |||||
 | 6:46 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — |
 | — | 5:51 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:57 | — | — | 5:58 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 3°C on Sun morning, min -3°C on Tue night). Winds increasing (light winds from the WNW on Mon afternoon, fresh winds from the SW by Tue morning).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed morning. Temperatures will be below freezing (max 0°C on Fri night, min -7°C on Wed night). Winds increasing (light winds from the NW on Thu night, fresh winds from the NW by Fri 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
| |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP441 | |||||
SHIP7880 | |||||
SHIP3247 |
* 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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