– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Thu 19 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Thu 19 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Thu 19 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Sat afternoon. Temperatures will be below freezing (max -2°C on Sat night, min -11°C on Thu afternoon). Wind will be generally light. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -2°C on Sun morning, min -8°C on Tue night). Winds decreasing (strong winds from the SSW on Sun night, light winds from the WSW by Mon night). | |||||||||||||||||
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | | | | |  | | | | |  |  | |
light snow | cloudy | some clouds | cloudy | cloudy | cloudy | cloudy | light snow | cloudy | cloudy | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | heavy snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
1 | — | — | — | — | — | — | 4 | — | — | 1 | 5 | 5 | 2 | 3 | 5 | 4 | 11 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -10 | -11 | -10 | -8 | -7 | -6 | -5 | -4 | -2 | -2 | -3 | -4 | -3 | -4 | -4 | -6 | -6 | -6 |
min °C | -10 | -11 | -11 | -9 | -8 | -7 | -5 | -4 | -2 | -3 | -3 | -5 | -4 | -4 | -6 | -6 | -7 | -8 |
-14 | -18 | -17 | -15 | -14 | -10 | -12 | -10 | -9 | -8 | -8 | -12 | -10 | -12 | -12 | -12 | -14 | -15 | |
350 | 350 | 0 | 400 | 700 | 0 | 750 | 800 | 1050 | 1300 | 1200 | 1050 | 1050 | 1250 | 1000 | 900 | 800 | 750 | |
Cloud base (m) | 600 | 600 | 650 | 600 | 650 | 600 | 2100 | 750 | 1450 | 850 | 800 | 650 | 600 | 600 | 600 | 600 | 600 | 600 |
 | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:42 | — | — | 5:43 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A light covering of new snow mostly falling on Sat afternoon. Temperatures will be below freezing (max -2°C on Sat night, min -11°C on Thu afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -2°C on Sun morning, min -8°C on Tue night). Winds decreasing (strong winds from the SSW on Sun night, light winds from the WSW by Mon 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport |  | ||||
SHIP1116 | |||||
SHIP9217 | |||||
SHIP3690 |
* 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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