– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Sun 30 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sun 30 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 30 Nov 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 Mon night. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the NW by Mon morning). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 2°C on Thu night, min -5°C on Fri night). Winds increasing (light winds from the WNW on Wed morning, near gales from the WSW by Fri morning). | |||||||||||||||||
Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | | |  | | |  | |  | | |
some clouds | clear | some clouds | light snow | light snow | mod. snow | cloudy | some clouds | some clouds | some clouds | light snow | cloudy | light snow | light snow | heavy snow | light snow | heavy snow | heavy snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | 1 | 1 | 10 | — | — | — | — | 1 | — | 1 | 2 | 14 | 5 | 11 | 17 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -2 | -1 | 1 | -2 | -2 | -3 | -4 | -3 | -1 | -2 | -3 | -1 | -1 | -1 | 2 | -1 | -2 | -4 |
min°C | -2 | -1 | 0 | -2 | -2 | -4 | -4 | -4 | -3 | -2 | -3 | -3 | -1 | -1 | 0 | -3 | -3 | -5 |
-2 | -4 | -4 | -8 | -8 | -11 | -10 | -7 | -6 | -6 | -8 | -8 | -6 | -6 | -6 | -13 | -11 | -14 | |
1300 | 1500 | 1650 | 1150 | 1300 | 1300 | 1150 | 1100 | 1250 | 1400 | 1150 | 1150 | 1400 | 1550 | 2150 | 1750 | 1450 | 1100 | |
Cloud base (m) | 7000 | 5650 | 2450 | 1850 | 650 | 600 | 650 | 650 | 650 | 650 | 1700 | 650 | 650 | 600 | 600 | 550 | 550 | 600 |
 | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — |
 | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 1°C on Sun night, min -4°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the NW by Mon morning).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 2°C on Thu night, min -5°C on Fri night). Winds increasing (light winds from the WNW on Wed morning, near gales from the WSW by Fri 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 |
|---|---|---|---|---|---|
SHIP4105 | |||||
 | |||||
| |||||
SHIP4487 | |||||
SHIP6907 | |||||
SHIP8388 | |||||
SHIP3164 | |||||
|
* 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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