– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Sat 28 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sat 28 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sat 28 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. Freeze-thaw conditions (max 3°C on Sun afternoon, min -1°C on Tue morning). Winds increasing (light winds from the WNW on Sat night, fresh winds from the SW by Tue morning). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -2°C on Tue afternoon, min -7°C on Thu morning). Winds increasing (light winds from the WSW on Wed morning, fresh winds from the NW by Thu night). | ||||||||||||||||
Sat 28 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | | | |  |  |  | | | | | | | |
clear | some clouds | clear | clear | clear | clear | clear | some clouds | light snow | mod. snow | heavy snow | mod. snow | mod. snow | heavy snow | mod. snow | mod. snow | heavy snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 3 | 7 | 19 | 7 | 8 | 25 | 7 | 6 | 16 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 2 | 2 | 3 | 2 | 2 | 3 | 2 | -1 | -2 | -2 | -3 | -3 | -4 | -6 | -5 | -4 |
min °C | 2 | 1 | 2 | 2 | 1 | 1 | 2 | 0 | -1 | -2 | -3 | -3 | -3 | -6 | -7 | -5 | -6 |
-1 | -2 | -1 | -1 | -3 | -3 | -1 | -5 | -8 | -10 | -10 | -8 | -9 | -14 | -15 | -12 | -15 | |
2200 | 2300 | 2300 | 2250 | 2400 | 2250 | 2200 | 2100 | 1700 | 1500 | 1400 | 1250 | 1250 | 1050 | 850 | 1000 | 1050 | |
Cloud base (m) | 8850 | 6900 | 800 | 600 | 600 | 600 | 600 | 650 | 650 | 650 | 600 | ||||||
 | — | — | 6:46 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — |
 | 5:49 | — | — | 5:51 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:57 | — |
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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 3°C on Sun afternoon, min -1°C on Tue morning). Winds increasing (light winds from the WNW on Sat night, fresh winds from the SW by Tue morning).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -2°C on Tue afternoon, min -7°C on Thu morning). Winds increasing (light winds from the WSW on Wed morning, fresh winds from the NW by Thu 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP3766 | |||||
SHIP7049 | |||||
SHIP6554 |
* 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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