– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Wed 11 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 11 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 11 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 11mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu morning. Freeze-thaw conditions (max 5°C on Wed night, min -5°C on Sat morning). Winds decreasing (severe gales from the WSW on Wed night, calm by Fri morning). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Sun night. Becoming milder with moderate rain (total 13mm) heaviest on Mon afternoon. Freeze-thaw conditions (max 7°C on Tue afternoon, min -6°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | |  |  | | |  |  |  |  | | | |
mod. snow | heavy snow | heavy snow | heavy snow | mod. snow | light snow | light snow | mod. snow | light snow | some clouds | cloudy | cloudy | mod. snow | light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
6 | 13 | 11 | 19 | 9 | 1 | 5 | 6 | 2 | — | — | — | 8 | — | — | — | — | — | — | |
11 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 6 | 3 | 0.1 | 0.5 | — | |
max °C | 5 | -2 | -2 | -3 | -2 | -2 | -2 | -5 | -4 | -5 | -1 | 0 | 1 | 3 | 5 | 5 | 6 | 7 | 7 |
min °C | -1 | -2 | -3 | -3 | -3 | -2 | -4 | -5 | -4 | -6 | -3 | 0 | 0 | 2 | 4 | 4 | 5 | 7 | 6 |
-8 | -9 | -9 | -8 | -3 | -4 | -10 | -12 | -8 | -9 | -3 | -2 | -2 | -1 | 1 | 1 | 2 | 5 | 4 | |
1000 | 650 | 600 | 500 | 650 | 750 | 500 | 400 | 550 | 0 | 900 | 900 | 1200 | 2900 | 3300 | 3350 | 3250 | 3200 | 3100 | |
Cloud base (m) | 600 | 650 | 650 | 600 | 600 | 600 | 600 | 650 | 700 | 650 | 2400 | 950 | 650 | 650 | 650 | 650 | 650 | 650 | 5250 |
 | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — | 7:15 | — | — |
 | — | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — | — | 7:12 | — | — | 7:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 11mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu morning. Freeze-thaw conditions (max 5°C on Wed night, min -5°C on Sat morning). Winds decreasing (severe gales from the WSW on Wed night, calm by Fri morning).
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Sun night. Becoming milder with moderate rain (total 13mm) heaviest on Mon afternoon. Freeze-thaw conditions (max 7°C on Tue afternoon, 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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