– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Fri 26 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Fri 26 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Fri 26 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 2°C on Mon afternoon, min -10°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the NW by Sat night). | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 8°C on Wed morning, min 0°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | | | |  | | | | | | | |  | |
heavy snow | some clouds | cloudy | snow shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | clear | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | light snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
18 | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -9 | -8 | -8 | -6 | -4 | -3 | 0 | 0 | 2 | 5 | 5 | 5 | 7 | 8 | 7 | 7 | 5 | 1 | 0 |
min °C | -10 | -8 | -8 | -7 | -4 | -4 | -2 | 0 | 1 | 3 | 5 | 4 | 5 | 8 | 7 | 6 | 3 | 0 | -2 |
-19 | -16 | -15 | -14 | -10 | -10 | -8 | -5 | -3 | 0 | 3 | 1 | 3 | 8 | 5 | 4 | -1 | -4 | -8 | |
250 | 350 | 400 | 300 | 450 | 800 | 0 | 1950 | 2100 | 0 | 2750 | 2650 | 3000 | 3200 | 3150 | 3200 | 2750 | 2000 | 1450 | |
Cloud base (m) | 600 | 650 | 650 | 650 | 700 | 700 | 900 | 1000 | 700 | 650 | 650 | 700 | 650 | 850 | 600 | 600 | 600 | 700 | 900 |
 | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | — | 4:20 | — | — | 4:21 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:24 | — |
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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 Mon afternoon, min -10°C on Fri night). Winds decreasing (strong winds from the WNW on Fri night, light winds from the NW by Sat night).
Mount Index Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 8°C on Wed morning, min 0°C on Thu afternoon). Wind will be generally light.
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 |  | ||||
| |||||
* 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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