– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Fri 05 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Fri 05 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 05 Dec 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. Freeze-thaw conditions (max 2°C on Fri morning, min -4°C on Sat morning). Winds decreasing (near gales from the WSW on Fri night, moderate winds from the SW by Sat night). | Days 4–6 Weather SummaryHeavy rain (total 24mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 3°C on Mon afternoon, min -8°C on Wed afternoon). Winds increasing (light winds from the W on Mon night, gales from the WSW by Tue night). | |||||||||||||||||
Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | | | |  | | |  |  |  |  | | |
mod. snow | light snow | heavy snow | light snow | light snow | light snow | light snow | light snow | light snow | mod. snow | heavy rain | heavy snow | light snow | mod. rain | mod. snow | heavy snow | snow shwrs | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
6 | 5 | 15 | 3 | 3 | 4 | 4 | 4 | 4 | 7 | — | 11 | 3 | — | 9 | 13 | 4 | 1 | |
— | — | — | — | — | — | — | — | — | — | 16 | — | — | 8 | — | — | — | — | |
max°C | 2 | 1 | -2 | -3 | -3 | -3 | -1 | -1 | -1 | 1 | 3 | -1 | -1 | 3 | 2 | -3 | -7 | -7 |
min°C | 2 | -2 | -3 | -4 | -4 | -4 | -2 | -1 | -1 | 0 | 3 | -4 | -3 | 2 | -2 | -5 | -8 | -8 |
-5 | -11 | -12 | -13 | -12 | -11 | -9 | -9 | -9 | -8 | -5 | -8 | -9 | -6 | -11 | -16 | -18 | -15 | |
2350 | 1900 | 1400 | 1300 | 1350 | 1200 | 1450 | 1650 | 1650 | 1900 | 2300 | 1350 | 1200 | 2500 | 1900 | 1350 | 900 | 550 | |
Cloud base (m) | 600 | 550 | 600 | 600 | 600 | 600 | 600 | 600 | 750 | 650 | 550 | 600 | 600 | 550 | 550 | 550 | 600 | 650 |
 | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — |
 | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:13 | — |
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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. Freeze-thaw conditions (max 2°C on Fri morning, min -4°C on Sat morning). Winds decreasing (near gales from the WSW on Fri night, moderate winds from the SW by Sat night).
Mount Index Weather (Days 3-6):
Heavy rain (total 24mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 3°C on Mon afternoon, min -8°C on Wed afternoon). Winds increasing (light winds from the W on Mon night, gales from the WSW by Tue 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 |
|---|---|---|---|---|---|
SHIP3600 | |||||
 | |||||
| |||||
SHIP2836 | |||||
SHIP3161 | |||||
SHIP1823 | |||||
SHIP5701 | |||||
SHIP7740 |
* 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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