– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Wed 11 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Wed 11 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 11 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 17mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 5°C on Wed night, min -5°C on Fri night). Winds decreasing (gales from the WSW on Wed night, calm by Fri morning). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Sat morning. Turning milder with moderate rain (total 14mm), heaviest on Sun night. Freeze-thaw conditions (max 6°C on Mon night, min -6°C on Sat night). Wind will be generally light. | |||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  | |  |  |  | | |  | |  | |
light snow | light snow | light snow | mod. snow | mod. snow | heavy snow | mod. snow | light snow | mod. snow | mod. snow | snow shwrs | some clouds | cloudy | light snow | mod. snow | light rain | light rain | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
5 | 3 | 5 | 10 | 9 | 20 | 9 | 3 | 9 | 6 | 2 | — | — | 2 | 6 | — | — | — | |
— | 6 | 12 | — | — | — | — | — | — | — | — | — | — | — | 6 | 4 | 4 | 0.1 | |
max °C | 0 | 4 | 5 | -2 | -2 | -3 | -2 | -1 | -2 | -5 | -4 | -5 | -1 | -1 | 3 | 4 | 5 | 6 |
min °C | -1 | 1 | -2 | -3 | -2 | -3 | -2 | -1 | -5 | -5 | -4 | -6 | -3 | -1 | 1 | 4 | 5 | 5 |
-4 | -5 | -9 | -10 | -9 | -8 | -2 | -3 | -11 | -11 | -9 | -6 | -6 | -4 | -3 | 0 | 2 | 3 | |
900 | 1750 | 950 | 650 | 650 | 550 | 700 | 800 | 500 | 400 | 550 | 0 | 850 | 900 | 2050 | 3100 | 3200 | 3350 | |
Cloud base (m) | 600 | 600 | 650 | 650 | 650 | 600 | 600 | 600 | 600 | 650 | 700 | 650 | 2450 | 900 | 650 | 650 | 650 | 650 |
 | 7:28 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — |
 | — | 7:05 | — | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — | — | 7:12 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 17mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 5°C on Wed night, min -5°C on Fri night). Winds decreasing (gales from the WSW on Wed night, calm by Fri morning).
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Sat morning. Turning milder with moderate rain (total 14mm), heaviest on Sun night. Freeze-thaw conditions (max 6°C on Mon night, min -6°C on Sat 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 |
|---|---|---|---|---|---|
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* 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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