– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Fri 19 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Fri 19 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Fri 19 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 Sun afternoon. Temperatures will be below freezing (max 0°C on Sat afternoon, min -2°C on Fri morning). Winds decreasing (fresh winds from the SW on Fri afternoon, light winds from the S by Sat night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 2°C on Wed night, min -1°C on Mon morning). Wind will be generally light. | |||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  | | | | | | |  | | |  | |
light snow | light snow | mod. snow | light snow | light snow | light snow | cloudy | mod. snow | mod. snow | light snow | light snow | mod. snow | cloudy | cloudy | cloudy | cloudy | light snow | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
3 | 2 | 7 | 4 | 5 | 5 | — | 6 | 7 | 4 | 3 | 10 | — | — | — | — | 5 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -2 | -2 | -1 | -1 | 0 | 0 | 0 | 0 | -1 | -1 | 0 | -1 | 0 | 1 | 0 | 1 | 0 | 2 |
min°C | -2 | -2 | -2 | -1 | 0 | -1 | 0 | -1 | -2 | -1 | 0 | -1 | -1 | 0 | -1 | 1 | -1 | 0 |
-8 | -10 | -8 | -7 | -6 | -5 | -4 | -6 | -7 | -6 | -5 | -5 | -4 | -3 | -6 | -4 | -6 | 0 | |
700 | 700 | 750 | 800 | 950 | 950 | 1000 | 1000 | 800 | 800 | 900 | 800 | 850 | 1100 | 1150 | 1300 | 1000 | 1250 | |
Cloud base (m) | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 1700 | 550 | 600 | 600 |
 | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — |
 | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — | — | 4:16 | — | — | 4:17 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max 0°C on Sat afternoon, min -2°C on Fri morning). Winds decreasing (fresh winds from the SW on Fri afternoon, light winds from the S by Sat night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 2°C on Wed night, min -1°C on Mon morning). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1000 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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