– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Mon 18 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 18 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 18 May Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 7°C on Wed night, min 0°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 10°C on Fri afternoon, min 2°C on Sat night). Wind will be generally light. | |||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | |  | | | | | | | | |  | |
some clouds | clear | some clouds | cloudy | light snow | some clouds | rain shwrs | clear | clear | clear | some clouds | clear | clear | clear | some clouds | some clouds | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | 0.1 | — | — | — | — | — | — | — | — | — | 0.1 | 0.2 | |
max °C | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 5 | 7 | 8 | 9 | 8 | 7 | 10 | 9 | 6 | 7 | 6 |
min °C | 0 | 2 | 1 | 1 | 1 | 2 | 2 | 5 | 6 | 7 | 9 | 7 | 7 | 9 | 7 | 6 | 6 | 2 |
-4 | -2 | -3 | -3 | -3 | -2 | 2 | 3 | 4 | 7 | 8 | 5 | 6 | 8 | 5 | 3 | 3 | -3 | |
2000 | 2150 | 2100 | 1950 | 2000 | 2550 | 2450 | 2950 | 3200 | 3050 | 3250 | 3300 | 3250 | 3550 | 3500 | 3150 | 3100 | 2750 | |
Cloud base (m) | 2100 | 2000 | 1950 | 650 | 650 | 800 | 750 | 900 | 6950 | 5350 | 9000 | 9500 | 750 | 1600 | 2300 | |||
 | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:20 | — | — | 5:18 | — | — |
 | — | — | 8:40 | — | — | 8:42 | — | — | 8:43 | — | — | 8:44 | — | — | 8:45 | — | — | 8:46 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A dusting of new snow. Freeze-thaw conditions (max 7°C on Wed night, min 0°C on Mon morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 10°C on Fri afternoon, min 2°C on Sat night). 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 |
|---|---|---|---|---|---|
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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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