– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Sun 11 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 11 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 11 Jan 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 Sun afternoon will be washed away by heavy rain (total 31mm) on Sun night. Very mild (max 10°C on Tue night, min 2°C on Sun afternoon). Winds decreasing (near gales from the SW on Sun afternoon, light winds from the WNW by Tue afternoon). | Days 5–7 Weather SummaryMostly dry. Very mild (max 11°C on Fri morning, min 4°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||
Sun 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  | | | | | | | | | |
light snow | light snow | light rain | light rain | light rain | some clouds | some clouds | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
5 | 17 | 3 | 3 | 1.7 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 3 | 3 | 5 | 5 | 8 | 9 | 10 | 7 | 4 | 7 | 8 | 9 | 10 | 11 | 11 | 11 |
min °C | 2 | 2 | 3 | 4 | 4 | 7 | 9 | 9 | 6 | 4 | 4 | 8 | 9 | 9 | 10 | 11 | 10 |
-4 | -5 | -3 | -3 | 0 | 5 | 8 | 8 | 3 | 0 | 0 | 6 | 8 | 9 | 10 | 11 | 8 | |
2350 | 2400 | 2450 | 2650 | 2850 | 3450 | 3600 | 3700 | 3300 | 2700 | 3300 | 3400 | 3450 | 3600 | 3750 | 3850 | 3750 | |
Cloud base (m) | 650 | 650 | 650 | 650 | 650 | 700 | 650 | 3300 | 700 | 8550 | |||||||
 | — | — | 7:52 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:48 | — | — |
 | 4:36 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — | — | 4:43 | — |
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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 Sun afternoon will be washed away by heavy rain (total 31mm) on Sun night. Very mild (max 10°C on Tue night, min 2°C on Sun afternoon). Winds decreasing (near gales from the SW on Sun afternoon, light winds from the WNW by Tue afternoon).
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 11°C on Fri morning, min 4°C on Wed afternoon). Wind will be generally light.
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 |  | ||||
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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