– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Fri 13 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 13 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 13 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 2°C on Mon morning, min -11°C on Sat morning). Winds increasing (light winds from the WNW on Sun morning, fresh winds from the WSW by Mon morning). | Days 5–7 Weather SummaryA moderate fall of snow heaviest on Mon afternoon. Turning milder with heavy rain (total 51mm), heaviest during Thu morning. Freeze-thaw conditions (max 5°C on Thu morning, min 0°C on Tue morning). Winds decreasing (strong winds from the SW on Mon night, moderate winds from the WSW by Tue night). | ||||||||||||||||
Fri 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  | |  | | |  |  | |  | |
heavy snow | heavy snow | light snow | light snow | snow shwrs | some clouds | light snow | mod. snow | light rain | light snow | rain shwrs | light snow | light rain | mod. rain | mod. rain | light snow | heavy rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
13 | 17 | 5 | 3 | 1 | — | 1 | 7 | — | 3 | — | 4 | — | — | — | 4 | — | |
— | — | — | — | — | — | — | — | 0.7 | 2 | 0.9 | — | 1.3 | 5 | 9 | — | 19 | |
max °C | -5 | -5 | -11 | -10 | -7 | -4 | -3 | 0 | 2 | 3 | 3 | 1 | 3 | 3 | 3 | 1 | 4 |
min °C | -5 | -10 | -11 | -11 | -10 | -5 | -4 | -3 | 2 | 1 | 3 | 0 | 2 | 2 | 3 | 1 | 3 |
-12 | -20 | -21 | -19 | -18 | -8 | -10 | -10 | -4 | -5 | -3 | -7 | -4 | -3 | -3 | -6 | -4 | |
750 | 450 | 300 | 450 | 0 | 950 | 950 | 1750 | 3100 | 2850 | 2600 | 2300 | 2350 | 2450 | 2500 | 2250 | 2900 | |
Cloud base (m) | 600 | 600 | 650 | 650 | 750 | 950 | 850 | 650 | 700 | 650 | 2000 | 700 | 650 | 600 | 650 | 650 | 650 |
 | — | — | 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 afternoon. Freeze-thaw conditions (max 2°C on Mon morning, min -11°C on Sat morning). Winds increasing (light winds from the WNW on Sun morning, fresh winds from the WSW by Mon morning).
Mount Index Weather (Days 3-6):
A moderate fall of snow heaviest on Mon afternoon. Turning milder with heavy rain (total 51mm), heaviest during Thu morning. Freeze-thaw conditions (max 5°C on Thu morning, min 0°C on Tue morning). Winds decreasing (strong winds from the SW 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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