– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Tue 17 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Tue 17 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 17 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA moderate fall of snow, heaviest on Tue night. Temperatures will be well below freezing (max -8°C on Tue morning, min -10°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sun night. Temperatures will be below freezing (max -1°C on Sat night, min -9°C on Fri morning). Winds increasing (light winds from the S on Fri night, fresh winds from the SSE by Sun afternoon). | |||||||||||||||||
Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  | | |  | | | | | | | |
cloudy | light snow | mod. snow | light snow | cloudy | clear | some clouds | some clouds | some clouds | cloudy | some clouds | cloudy | cloudy | some clouds | some clouds | cloudy | some clouds | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | 3 | 6 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -9 | -9 | -10 | -10 | -10 | -9 | -10 | -9 | -8 | -7 | -5 | -4 | -4 | -1 | -1 | -1 | -3 |
min °C | -9 | -9 | -10 | -10 | -10 | -10 | -10 | -10 | -10 | -9 | -7 | -6 | -4 | -4 | -3 | -1 | -1 | -6 |
-15 | -13 | -16 | -17 | -15 | -10 | -13 | -16 | -16 | -15 | -12 | -10 | -10 | -11 | -10 | -7 | -8 | -14 | |
650 | 600 | 100 | 400 | 550 | 0 | 350 | 550 | 0 | 400 | 700 | 300 | 950 | 1100 | 750 | 1450 | 1700 | 1000 | |
Cloud base (m) | 700 | 1450 | 600 | 600 | 600 | 600 | 600 | 700 | 600 | 600 | 650 | 600 | 900 | 2200 | 650 | 2100 | 2450 | 750 |
 | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — |
 | — | 5:31 | — | — | 5:34 | — | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A moderate fall of snow, heaviest on Tue night. Temperatures will be well below freezing (max -8°C on Tue morning, min -10°C on Tue night). Wind will be generally light.
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Sun night. Temperatures will be below freezing (max -1°C on Sat night, min -9°C on Fri morning). Winds increasing (light winds from the S on Fri night, fresh winds from the SSE by Sun 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 | | ||||
SHIP5206 | |||||
SHIP4219 | |||||
SHIP916 |
* 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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