– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Tue 27 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Tue 27 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Tue 27 Jan 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 Tue morning, min -4°C on Wed morning). Winds increasing (light winds from the SSE on Tue morning, fresh winds from the SW by Tue night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 6°C on Sat night, min -3°C on Sun night). Winds decreasing (fresh winds from the SSW on Fri morning, calm by Fri night). | |||||||||||||||||
Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | | |  | | |  |  | | | |
cloudy | cloudy | light snow | snow shwrs | light snow | mod. snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | cloudy | cloudy | some clouds | some clouds | light snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | 5 | 2 | 3 | 7 | 4 | 1 | 1 | 1 | 3 | 1 | — | — | — | — | 1 | 5 | |
— | — | — | — | — | — | — | — | 0.3 | — | — | — | — | — | — | — | — | — | |
max °C | 3 | 2 | 0 | -4 | -2 | -1 | -1 | 0 | 2 | 2 | 1 | 4 | 5 | 5 | 6 | 3 | 0 | -2 |
min °C | 3 | 2 | -3 | -4 | -2 | -1 | -1 | 0 | 1 | 0 | 0 | 1 | 5 | 5 | 5 | 2 | -1 | -3 |
0 | -1 | -9 | -11 | -9 | -6 | -6 | -6 | -4 | -6 | -7 | -4 | 2 | 3 | 2 | -2 | -6 | -10 | |
2300 | 2150 | 1250 | 1200 | 1400 | 1650 | 1650 | 1800 | 2150 | 2050 | 1750 | 2050 | 2850 | 2550 | 2550 | 2350 | 1800 | 1450 | |
Cloud base (m) | 4700 | 5350 | 2600 | 700 | 700 | 650 | 650 | 650 | 1650 | 950 | 750 | 650 | 6750 | 2850 | 2450 | 4400 | 2000 | 650 |
 | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — |
 | — | 4:59 | — | — | 5:00 | — | — | 5:01 | — | — | 5:04 | — | — | 5:05 | — | — | 5:07 | — |
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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 Tue morning, min -4°C on Wed morning). Winds increasing (light winds from the SSE on Tue morning, fresh winds from the SW by Tue night).
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Fri afternoon. Freeze-thaw conditions (max 6°C on Sat night, min -3°C on Sun night). Winds decreasing (fresh winds from the SSW on Fri morning, calm 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 |
|---|---|---|---|---|---|
SHIP3688 | |||||
 | |||||
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SHIP4477 | |||||
SHIP3041 | |||||
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BUOY-46120 |
* 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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