– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Thu 19 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Thu 19 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Thu 19 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Temperatures will be below freezing (max -1°C on Sat night, min -10°C on Thu night). Winds increasing (light winds from the S on Fri night, fresh winds from the SE by Sat night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Mon night, min -8°C on Tue night). Winds increasing (light winds from the S on Mon morning, near gales from the SW by Tue morning). | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | |  | |  | | | | | |  | |  |  | |
some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light snow | light snow | mod. snow | light snow | light snow | mod. snow | light snow | light snow | heavy snow | light snow | mod. snow | snow shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | 1 | 1 | 6 | 4 | 5 | 10 | 3 | 5 | 12 | 3 | 6 | 2 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -9 | -8 | -7 | -5 | -4 | -3 | -1 | -3 | -3 | -3 | -2 | -1 | 1 | -5 | -5 | -7 | -6 | -6 | -6 |
min °C | -10 | -8 | -7 | -7 | -4 | -4 | -3 | -3 | -3 | -4 | -4 | -1 | -2 | -5 | -6 | -8 | -7 | -6 | -7 |
-16 | -14 | -12 | -10 | -10 | -11 | -10 | -10 | -9 | -12 | -8 | -6 | -11 | -16 | -15 | -18 | -15 | -14 | -16 | |
0 | 500 | 800 | 550 | 1000 | 1100 | 1050 | 1250 | 1250 | 1150 | 1150 | 1600 | 2000 | 1100 | 1050 | 750 | 750 | 950 | 600 | |
Cloud base (m) | 600 | 650 | 650 | 800 | 2550 | 2300 | 1500 | 1650 | 650 | 650 | 650 | 600 | 600 | 600 | 600 | 600 | 650 | 650 | 650 |
 | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — |
 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:42 | — | — | 5:43 | — | — | 5:45 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A dusting of new snow. Temperatures will be below freezing (max -1°C on Sat night, min -10°C on Thu night). Winds increasing (light winds from the S on Fri night, fresh winds from the SE by Sat night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Mon night, min -8°C on Tue night). Winds increasing (light winds from the S on Mon morning, near gales from the SW by Tue 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport |  | ||||
SHIP6093 | |||||
SHIP6503 | |||||
SHIP4352 |
* 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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