– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Sun 01 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Sun 01 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Sun 01 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 31mm), heaviest during Tue afternoon. Later becoming colder with a dusting of snow on Tue night. Mild temperatures (max 9°C on Sun morning, min 2°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Wed morning. Becoming milder with light rain (total 4mm) on Wed afternoon. Freeze-thaw conditions (max 3°C on Fri night, min -1°C on Wed night). Wind will be generally light. | |||||||||||||||||
Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  |  |  |  | | | | |  | |  | |
clear | clear | clear | clear | clear | some clouds | light rain | heavy rain | light snow | snow shwrs | light snow | light snow | light snow | light snow | light snow | some clouds | light rain | light rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | 4 | 6 | 3 | 5 | 2 | 2 | 2 | — | — | — | |
— | — | — | — | — | — | 2 | 11 | 18 | 2 | 2 | — | — | — | — | — | 0.2 | 0.1 | |
max °C | 9 | 8 | 5 | 7 | 7 | 5 | 5 | 4 | 3 | 2 | 2 | 0 | -1 | -1 | 0 | 2 | 2 | 3 |
min °C | 8 | 6 | 4 | 6 | 6 | 4 | 4 | 3 | 2 | 1 | 1 | -1 | -1 | -1 | 0 | 1 | 2 | 2 |
8 | 4 | 4 | 5 | 6 | 3 | 0 | -1 | -1 | -3 | -4 | -5 | -4 | -4 | -3 | -1 | 0 | -1 | |
2350 | 2250 | 2400 | 2200 | 2200 | 2200 | 1750 | 1600 | 1450 | 1250 | 1350 | 1000 | 850 | 900 | 1000 | 1100 | 1300 | 1700 | |
Cloud base (m) | 9150 | 1600 | 600 | 600 | 600 | 650 | 650 | 650 | 650 | 650 | 650 | 800 | 650 | |||||
 | 6:46 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — |
 | — | 5:51 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:57 | — | — | 5:58 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 31mm), heaviest during Tue afternoon. Later becoming colder with a dusting of snow on Tue night. Mild temperatures (max 9°C on Sun morning, min 2°C on Tue night). Wind will be generally light.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed morning. Becoming milder with light rain (total 4mm) on Wed afternoon. Freeze-thaw conditions (max 3°C on Fri night, min -1°C on Wed night). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1000 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 | | ||||
SHIP7542 | |||||
SHIP581 | |||||
SHIP3441 | |||||
SHIP3774 |
* 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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