– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Sat 10 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sat 10 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sat 10 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow heaviest on Sat night. Turning milder with heavy rain (total 47mm), heaviest during Mon morning. Freeze-thaw conditions (max 8°C on Tue morning, min -1°C on Sat night). Winds decreasing (near gales from the WSW on Sun night, light winds from the WSW by Mon night). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 10°C on Tue night, min 0°C on Wed afternoon). Winds decreasing (fresh winds from the SW on Wed morning, calm by Thu night). | ||||||||||||||||
Sat 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  | |  | | |  | | | | |
cloudy | mod. snow | light snow | light snow | heavy rain | heavy rain | heavy rain | light rain | clear | clear | clear | clear | light snow | some clouds | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 9 | 3 | 2 | — | — | — | — | — | — | — | — | 3 | — | — | — | — | |
— | — | — | 4 | 18 | 11 | 11 | 2 | — | — | — | — | — | — | — | — | — | |
max °C | 2 | -1 | 1 | 2 | 3 | 3 | 4 | 5 | 8 | 9 | 10 | 8 | 1 | 3 | 4 | 8 | 9 |
min °C | 0 | -1 | -1 | 2 | 2 | 3 | 4 | 4 | 7 | 8 | 8 | 5 | 0 | 0 | 3 | 6 | 9 |
-7 | -6 | -8 | -4 | -4 | -4 | -2 | -2 | 6 | 6 | 6 | 0 | -7 | -6 | -1 | 4 | 8 | |
2100 | 1450 | 1700 | 2300 | 2450 | 2450 | 2700 | 2800 | 3100 | 3500 | 3550 | 3250 | 1950 | 2150 | 3050 | 3200 | 3200 | |
Cloud base (m) | 1800 | 650 | 700 | 650 | 650 | 650 | 650 | 650 | 800 | 650 | 800 | 800 | 900 | 8800 | |||
 | — | — | 7:52 | — | — | 7:52 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — |
 | 4:35 | — | — | 4:36 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A moderate fall of snow heaviest on Sat night. Turning milder with heavy rain (total 47mm), heaviest during Mon morning. Freeze-thaw conditions (max 8°C on Tue morning, min -1°C on Sat night). Winds decreasing (near gales from the WSW on Sun night, light winds from the WSW by Mon night).
Mount Index Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 10°C on Tue night, min 0°C on Wed afternoon). Winds decreasing (fresh winds from the SW on Wed morning, calm by Thu 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
Seattl / oeing Airport | | ||||
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BUOY-WPOW1 |
* 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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