– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Tue 02 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Tue 02 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 02 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 morning. Freeze-thaw conditions (max 1°C on Thu night, min -4°C on Tue afternoon). Winds increasing (calm on Tue afternoon, strong winds from the W by Fri morning). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sat morning. Freeze-thaw conditions (max 2°C on Sun morning, min -3°C on Fri night). Winds increasing (light winds from the W on Sat afternoon, near gales from the WSW by Sun morning). | ||||||||||||||||
Tue 2 | Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  | | |  |  | | | |  |  | |
some clouds | some clouds | some clouds | cloudy | cloudy | light snow | mod. snow | light snow | light snow | light snow | mod. snow | heavy snow | light snow | light snow | mod. snow | snow shwrs | snow shwrs | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 4 | 6 | 3 | 4 | 4 | 9 | 12 | 2 | 3 | 6 | 3 | 2 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | -3 | -2 | -3 | -2 | -1 | -1 | -1 | 1 | 1 | 0 | -2 | -3 | -2 | -1 | 2 | 1 | -1 |
min°C | -4 | -3 | -3 | -3 | -2 | -1 | -1 | -1 | 1 | -1 | -3 | -3 | -2 | -2 | 0 | -1 | -2 |
-7 | -6 | -8 | -8 | -8 | -6 | -7 | -7 | -5 | -8 | -10 | -10 | -7 | -7 | -8 | -9 | -9 | |
1100 | 1050 | 1150 | 1100 | 1300 | 1450 | 1550 | 1750 | 2050 | 1800 | 1450 | 1300 | 1400 | 1450 | 1850 | 1950 | 1450 | |
Cloud base (m) | 650 | 650 | 750 | 900 | 650 | 650 | 600 | 650 | 600 | 600 | 600 | 600 | 600 | 650 | 600 | 600 | 850 |
 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — |
 | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — |
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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 morning. Freeze-thaw conditions (max 1°C on Thu night, min -4°C on Tue afternoon). Winds increasing (calm on Tue afternoon, strong winds from the W by Fri morning).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Sat morning. Freeze-thaw conditions (max 2°C on Sun morning, min -3°C on Fri night). Winds increasing (light winds from the W on Sat afternoon, near gales from the WSW by Sun morning).
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 |
|---|---|---|---|---|---|
SHIP2974 | |||||
 | |||||
 | |||||
SHIP4263 | |||||
SHIP8701 | |||||
SHIP3885 | |||||
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* 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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