– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Tue 30 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Tue 30 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Tue 30 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 7°C on Tue night, min -1°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 2°C on Fri night, min -2°C on Sun night). Winds decreasing (fresh winds from the SW on Sat morning, calm by Mon afternoon). | ||||||||||||||||||
Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  |  |  |  | | | |  | | | | | | |
clear | clear | clear | some clouds | cloudy | cloudy | mod. snow | mod. snow | light snow | cloudy | cloudy | cloudy | cloudy | some clouds | light snow | mod. snow | cloudy | some clouds | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | 6 | 6 | 3 | — | — | — | — | — | 2 | 8 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 7 | 6 | 6 | 6 | 4 | 2 | 0 | -1 | 0 | 2 | 0 | 0 | 1 | 1 | -1 | -1 | -2 | 0 | 1 |
min °C | 6 | 6 | 6 | 4 | 3 | 1 | -1 | -1 | -1 | 0 | 0 | 0 | 0 | 1 | -1 | -2 | -2 | -1 | -2 |
4 | 4 | 4 | 2 | 0 | -3 | -5 | -8 | -7 | -4 | -5 | -6 | -6 | -4 | -8 | -8 | -7 | -3 | -7 | |
3300 | 3200 | 3200 | 3100 | 2800 | 2150 | 1950 | 1600 | 1700 | 1900 | 1850 | 1800 | 1950 | 1900 | 1600 | 1500 | 1450 | 1600 | 1900 | |
Cloud base (m) | 650 | 600 | 600 | 600 | 600 | 2000 | 600 | 600 | 600 | 600 | 1750 | 700 | 600 | 750 | 800 | 600 | 600 | 600 | |
 | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | — | 4:22 | — | — | 4:24 | — | — | 4:25 | — | — | 4:27 | — | — | 4:28 | — | — | 4:29 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 7°C on Tue night, min -1°C on Thu night). Wind will be generally light.
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 2°C on Fri night, min -2°C on Sun night). Winds decreasing (fresh winds from the SW on Sat morning, calm by Mon 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 |
|---|---|---|---|---|---|
 | |||||
SHIP3614 | |||||
| |||||
SHIP2671 | |||||
SHIP6773 | |||||
SHIP7227 | |||||
SHIP504 | |||||
|
* 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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