– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Mon 02 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Mon 02 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 02 Mar 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 Tue night. Freeze-thaw conditions (max 2°C on Mon night, min -6°C on Thu morning). Winds increasing (light winds from the SW on Mon night, strong winds from the NW by Thu afternoon). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 2°C on Sat morning, min -5°C on Thu night). Winds increasing (light winds from the WNW on Fri morning, fresh winds from the W by Sun afternoon). | ||||||||||||||||||
Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | | |  |  | | | | | | | | | |
some clouds | light snow | mod. snow | heavy snow | light snow | light snow | mod. snow | light snow | light snow | light snow | cloudy | light snow | light snow | cloudy | cloudy | light snow | cloudy | light snow | heavy snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | 2 | 6 | 17 | 5 | 4 | 9 | 5 | 2 | 1 | — | 1 | 2 | — | — | 2 | — | 1 | 11 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.3 | |
max °C | 2 | 0 | -1 | -2 | -3 | -3 | -4 | -6 | -5 | -4 | -2 | -1 | 1 | 2 | 1 | 1 | 1 | 2 | 2 |
min °C | 0 | -1 | -1 | -3 | -3 | -4 | -5 | -6 | -5 | -5 | -3 | -2 | -1 | 2 | 1 | 1 | 1 | 1 | -2 |
-6 | -8 | -8 | -10 | -10 | -12 | -12 | -14 | -14 | -13 | -8 | -7 | -6 | -3 | -5 | -4 | -3 | -5 | -9 | |
2150 | 1750 | 1600 | 1450 | 1350 | 1350 | 1100 | 950 | 950 | 950 | 1200 | 1400 | 1950 | 3150 | 2150 | 2050 | 2100 | 2200 | 2150 | |
Cloud base (m) | 8950 | 650 | 600 | 600 | 600 | 600 | 600 | 650 | 650 | 650 | 700 | 750 | 650 | 650 | 650 | 650 | 650 | 650 | 600 |
 | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 7:33 | — | — |
 | — | — | 5:53 | — | — | 5:54 | — | — | 5:57 | — | — | 5:58 | — | — | 6:00 | — | — | 7:00 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 2°C on Mon night, min -6°C on Thu morning). Winds increasing (light winds from the SW on Mon night, strong winds from the NW by Thu afternoon).
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Thu night. Freeze-thaw conditions (max 2°C on Sat morning, min -5°C on Thu night). Winds increasing (light winds from the WNW on Fri morning, fresh winds from the W 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 |
|---|---|---|---|---|---|
SHIP5793 | |||||
 | |||||
 | |||||
SHIP9522 | |||||
SHIP3980 | |||||
SHIP9018 | |||||
SHIP7455 | |||||
SHIP7181 |
* 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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