– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Tue 10 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Tue 10 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 10 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 13mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 4°C on Wed night, min -6°C on Tue morning). Winds increasing (light winds from the SW on Tue morning, gales from the WSW by Wed night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Fri morning. Becoming milder with drizzle, on Sun night. Freeze-thaw conditions (max 4°C on Sun night, min -6°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  | | | | |  |  |  | |  | |
snow shwrs | light snow | mod. snow | light snow | light snow | light snow | mod. snow | mod. snow | heavy snow | mod. snow | light snow | light snow | light snow | some clouds | some clouds | cloudy | light snow | light rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
1 | 1 | 8 | 5 | 2 | 5 | 7 | 10 | 23 | 10 | 2 | 5 | 2 | — | — | — | 4 | — | |
— | — | — | — | 3 | 10 | — | — | — | — | — | — | — | — | — | — | — | 1.3 | |
max °C | -4 | -3 | -2 | -1 | 2 | 4 | -2 | -1 | 0 | 0 | -1 | -2 | -5 | -4 | -3 | 0 | 1 | 4 |
min °C | -6 | -3 | -2 | -2 | 0 | -1 | -2 | -2 | -2 | -1 | -2 | -5 | -6 | -4 | -6 | -1 | 0 | 3 |
-9 | -8 | -8 | -6 | -6 | -8 | -9 | -7 | -5 | -4 | -5 | -11 | -11 | -7 | -8 | -4 | -3 | 0 | |
450 | 600 | 750 | 800 | 1450 | 850 | 750 | 750 | 950 | 800 | 700 | 300 | 350 | 550 | 0 | 1000 | 1250 | 2150 | |
Cloud base (m) | 650 | 750 | 650 | 650 | 600 | 650 | 650 | 650 | 600 | 600 | 600 | 650 | 700 | 700 | 650 | 2650 | 700 | 1800 |
 | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — |
 | — | 7:02 | — | — | 7:05 | — | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 13mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 4°C on Wed night, min -6°C on Tue morning). Winds increasing (light winds from the SW on Tue morning, gales from the WSW by Wed night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri morning. Becoming milder with drizzle, on Sun night. Freeze-thaw conditions (max 4°C on Sun night, min -6°C on Sat morning). 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 |
|---|---|---|---|---|---|
 | |||||
* 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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