– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Thu 05 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Thu 05 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 05 Mar 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 Sat night. Freeze-thaw conditions (max 3°C on Sat morning, min -5°C on Thu morning). Winds increasing (light winds from the W on Thu night, strong winds from the WSW by Sat night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Mon afternoon. Temperatures will be below freezing (max -1°C on Sun morning, min -10°C on Mon afternoon). Winds decreasing (strong winds from the W on Sun morning, light winds from the W by Tue afternoon). | |||||||||||||||||
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | |  |  |  | | | | | | |  | |
light snow | cloudy | light snow | light snow | light snow | light snow | light rain | light snow | heavy snow | mod. snow | heavy snow | light snow | mod. snow | heavy snow | heavy snow | mod. snow | mod. snow | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
4 | — | 3 | 2 | 4 | 5 | — | 2 | 15 | 10 | 14 | 2 | 6 | 20 | 23 | 10 | 8 | 8 | |
— | — | — | — | — | — | 0.3 | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -4 | -2 | -1 | 0 | 1 | 3 | 1 | 1 | -1 | -4 | -6 | -8 | -9 | -10 | -10 | -9 | -7 |
min °C | -5 | -5 | -4 | -2 | -1 | 0 | 1 | 1 | 0 | -2 | -7 | -8 | -9 | -10 | -10 | -10 | -10 | -9 |
-12 | -12 | -9 | -7 | -6 | -6 | -5 | -5 | -8 | -10 | -15 | -16 | -18 | -19 | -18 | -18 | -17 | -16 | |
1000 | 1050 | 1050 | 1400 | 1600 | 2200 | 2600 | 2300 | 2150 | 1700 | 1050 | 650 | 650 | 500 | 350 | 400 | 500 | 300 | |
Cloud base (m) | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 650 | 650 | 600 |
 | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 7:33 | — | — | 6:31 | — | — | 6:28 | — | — |
 | — | 5:57 | — | — | 5:58 | — | — | 6:00 | — | — | 7:00 | — | — | 6:02 | — | — | 6:04 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 3°C on Sat morning, min -5°C on Thu morning). Winds increasing (light winds from the W on Thu night, strong winds from the WSW by Sat night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon afternoon. Temperatures will be below freezing (max -1°C on Sun morning, min -10°C on Mon afternoon). Winds decreasing (strong winds from the W on Sun morning, light winds from the W by Tue afternoon).
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 | | ||||
SHIP6522 | |||||
SHIP8527 | |||||
SHIP8102 |
* 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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