– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Sun 25 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sun 25 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 25 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Tue morning, min -3°C on Mon afternoon). Winds increasing (calm on Sun morning, fresh winds from the SSW by Tue night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 1°C on Thu afternoon, min -2°C on Wed morning). Winds decreasing (strong winds from the SW on Thu night, light winds from the SW by Fri night). | |||||||||||||||||
Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | |  | | | |  | |  | | | | |
clear | clear | some clouds | cloudy | some clouds | cloudy | cloudy | cloudy | light snow | cloudy | cloudy | light snow | light snow | light snow | mod. snow | light snow | light snow | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | 1 | — | — | 2 | 2 | 2 | 6 | 4 | 3 | 8 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | 0 | 0 | -2 | -2 | 2 | 4 | 2 | -1 | -1 | -1 | -1 | 0 | 1 | 1 | 1 | 1 | 0 |
min °C | -1 | -1 | -1 | -2 | -3 | -1 | 3 | -3 | -2 | -2 | -1 | -1 | -1 | 0 | -1 | 0 | 0 | -1 |
-3 | -4 | -6 | -8 | -8 | -6 | 0 | -10 | -9 | -9 | -8 | -8 | -8 | -6 | -8 | -6 | -5 | -6 | |
1750 | 1700 | 1700 | 1550 | 1350 | 1800 | 2300 | 2100 | 1650 | 1500 | 1700 | 1650 | 1700 | 1900 | 2100 | 1700 | 1950 | 1650 | |
Cloud base (m) | 8350 | 6200 | 2650 | 2200 | 1950 | 5150 | 5600 | 800 | 650 | 650 | 750 | 650 | 650 | 650 | 650 | 650 | 650 | |
 | 7:41 | — | — | 7:39 | — | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — | 7:35 | — | — |
 | — | 4:55 | — | — | 4:57 | — | — | 4:59 | — | — | 5:00 | — | — | 5:01 | — | — | 5:04 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Tue morning, min -3°C on Mon afternoon). Winds increasing (calm on Sun morning, fresh winds from the SSW by Tue night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 1°C on Thu afternoon, min -2°C on Wed morning). Winds decreasing (strong winds from the SW on Thu night, light winds from the SW by Fri 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 |
|---|---|---|---|---|---|
 | |||||
SHIP3815 | |||||
| |||||
SHIP5984 | |||||
SHIP7535 | |||||
SHIP4481 | |||||
SHIP6889 | |||||
|
* 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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