– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Fri 13 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Fri 13 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Fri 13 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max 0°C on Sun night, min -11°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat morning, light winds from the WNW by Sun morning). | Days 4–6 Weather SummaryA moderate fall of snow heaviest on Mon afternoon. Turning milder with heavy rain (total 40mm), heaviest during Wed afternoon. Freeze-thaw conditions (max 4°C on Wed morning, min 0°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, moderate winds from the WSW by Tue night). | |||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  | | |  | | |  |  |  |  | |
heavy snow | heavy snow | heavy snow | mod. snow | light snow | snow shwrs | some clouds | light snow | mod. snow | light snow | light snow | rain shwrs | light snow | light snow | light snow | light rain | heavy rain | heavy rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
15 | 14 | 22 | 9 | 4 | 2 | — | 1 | 8 | 1 | 3 | — | 5 | 1 | 1 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | 1.8 | 1.1 | — | — | — | 0.6 | 13 | 24 | |
max °C | -5 | -5 | -5 | -10 | -10 | -7 | -4 | -3 | 0 | 1 | 3 | 3 | 1 | 1 | 2 | 4 | 4 | 4 |
min °C | -5 | -5 | -10 | -11 | -10 | -10 | -6 | -3 | -3 | 1 | 2 | 2 | 0 | 1 | 2 | 3 | 3 | 2 |
-12 | -12 | -20 | -20 | -18 | -18 | -9 | -8 | -10 | -5 | -4 | -5 | -6 | -6 | -3 | -2 | -3 | -4 | |
800 | 800 | 450 | 300 | 500 | 0 | 950 | 950 | 1450 | 2700 | 2600 | 2200 | 2150 | 2150 | 2200 | 2600 | 2600 | 2900 | |
Cloud base (m) | 600 | 600 | 600 | 650 | 700 | 700 | 900 | 850 | 650 | 700 | 650 | 650 | 700 | 600 | 650 | 650 | 600 | 600 |
 | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — | 7:15 | — | — | 7:13 | — | — |
 | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — | — | 7:12 | — | — | 7:14 | — | — | 7:15 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max 0°C on Sun night, min -11°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat morning, light winds from the WNW by Sun morning).
Mount Index Weather (Days 3-6):
A moderate fall of snow heaviest on Mon afternoon. Turning milder with heavy rain (total 40mm), heaviest during Wed afternoon. Freeze-thaw conditions (max 4°C on Wed morning, min 0°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, moderate winds from the WSW by Tue night).
This table gives the weather forecast for Mount Index at the specific elevation of 1832 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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