– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Mon 10 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Mon 10 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Mon 10 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 10mm) at first, then becoming colder with a dusting of snow on Mon afternoon. Freeze-thaw conditions (max 7°C on Wed night, min -1°C on Mon night). Winds decreasing (fresh winds from the WSW on Mon morning, calm by Tue morning). | Days 4–6 Weather SummaryLight rain (total 2mm) on Thu morning. Becoming colder with heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 4°C on Thu morning, min -4°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the SW by Sat morning). | |||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | |  |  |  | |  | | |  | |
light rain | snow shwrs | clear | clear | cloudy | light rain | light rain | cloudy | light rain | light rain | mod. snow | snow shwrs | some clouds | some clouds | mod. snow | mod. snow | mod. snow | heavy snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | 1 | — | — | — | — | — | — | — | — | 8 | 3 | — | — | 10 | 8 | 6 | 14 | |
4 | — | — | — | — | 1.3 | 1.4 | — | 3 | 2 | — | — | — | — | — | — | — | — | |
max°C | 2 | 2 | 0 | 2 | 3 | 4 | 5 | 5 | 7 | 4 | 1 | -2 | -2 | -1 | 0 | 1 | 1 | 1 |
min°C | 2 | 1 | -1 | 2 | 3 | 3 | 4 | 5 | 4 | 2 | -2 | -3 | -2 | -2 | -2 | 1 | 1 | -4 |
-4 | -5 | -6 | -1 | 1 | -1 | -1 | 0 | -1 | 2 | -8 | -9 | -6 | -7 | -9 | -5 | -6 | -10 | |
2300 | 2200 | 1500 | 2700 | 3000 | 2550 | 2550 | 2500 | 2750 | 2450 | 2000 | 1400 | 1500 | 1600 | 1500 | 2000 | 2100 | 1650 | |
Cloud base (m) | 650 | 750 | 850 | 4100 | 850 | 1600 | 2650 | 600 | 550 | 600 | 1550 | 600 | 600 | 600 | 600 | |||
 | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — |
 | — | 4:35 | — | — | 4:32 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 10mm) at first, then becoming colder with a dusting of snow on Mon afternoon. Freeze-thaw conditions (max 7°C on Wed night, min -1°C on Mon night). Winds decreasing (fresh winds from the WSW on Mon morning, calm by Tue morning).
Mount Index Weather (Days 3-6):
Light rain (total 2mm) on Thu morning. Becoming colder with heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 4°C on Thu morning, min -4°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the SW by Sat 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 | | ||||
SHIP5573 | |||||
SHIP1837 | |||||
SHIP3666 |
* 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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