– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Wed 03 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Wed 03 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Wed 03 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Thu morning will be washed away by heavy rain (total 84mm) on Fri night. Mild temperatures (max 6°C on Fri morning, min 2°C on Wed night). Winds increasing (light winds from the WNW on Wed night, fresh winds from the WSW by Fri night). | Days 5–7 Weather SummaryHeavy rain (total 69mm), mostly on Mon night. Becoming colder with a light covering of snow, mostly falling on Tue afternoon. Mild temperatures (max 7°C on Mon night, min 1°C on Sun night). Winds increasing (light winds from the SSE on Sat night, near gales from the WSW by Mon night). | ||||||||||||||||||
Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  | | | |  | | | | | |  | |
light snow | light snow | mod. rain | mod. rain | heavy rain | mod. rain | heavy rain | light snow | light rain | heavy rain | heavy rain | mod. rain | cloudy | light rain | mod. rain | heavy rain | light snow | light snow | heavy snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
1 | 5 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 1 | 5 | 19 | |
— | — | 7 | 10 | 14 | 9 | 36 | 4 | 5 | 11 | 14 | 6 | — | 0.6 | 8 | 25 | 3 | — | — | |
max°C | 2 | 2 | 2 | 4 | 6 | 5 | 3 | 2 | 3 | 3 | 5 | 4 | 2 | 2 | 5 | 7 | 3 | 1 | 1 |
min°C | 2 | 2 | 2 | 3 | 5 | 4 | 3 | 2 | 2 | 2 | 3 | 3 | 1 | 2 | 3 | 3 | 2 | 1 | -2 |
0 | -1 | -1 | 1 | 1 | -2 | -3 | -4 | -2 | -1 | -1 | -3 | -3 | -2 | -2 | -1 | -4 | -4 | -8 | |
1400 | 1300 | 1400 | 1700 | 2150 | 1850 | 1450 | 1350 | 1400 | 1450 | 1800 | 1700 | 1200 | 1250 | 1950 | 1400 | 1350 | 1250 | 1100 | |
Cloud base (m) | 650 | 650 | 650 | 600 | 600 | 550 | 600 | 650 | 600 | 600 | 600 | 600 | 750 | 700 | 600 | 600 | 600 | 600 | 600 |
 | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — |
 | — | — | 4:15 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A light covering of new snow mostly falling on Thu morning will be washed away by heavy rain (total 84mm) on Fri night. Mild temperatures (max 6°C on Fri morning, min 2°C on Wed night). Winds increasing (light winds from the WNW on Wed night, fresh winds from the WSW by Fri night).
Mount Index Weather (Days 3-6):
Heavy rain (total 69mm), mostly on Mon night. Becoming colder with a light covering of snow, mostly falling on Tue afternoon. Mild temperatures (max 7°C on Mon night, min 1°C on Sun night). Winds increasing (light winds from the SSE on Sat night, near gales from the WSW by Mon night).
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 |
|---|---|---|---|---|---|
SHIP3975 | |||||
 | |||||
| |||||
SHIP9398 | |||||
SHIP1266 | |||||
SHIP9770 | |||||
SHIP9604 | |||||
SHIP8514 |
* 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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