– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Tue 12 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 12 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 12 May Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 70mm), heaviest during Wed afternoon. Very mild (max 16°C on Tue night, min 2°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Fri night giving way to a moderate fall of snow, heaviest on Sat afternoon. Freeze-thaw conditions (max 8°C on Mon afternoon, min 0°C on Sat morning). Wind will be generally light. | ||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  |  |  |  |  |  | | | |  | | | | |
rain shwrs | heavy rain | heavy rain | heavy rain | light rain | light rain | rain shwrs | cloudy | mod. rain | light snow | snow shwrs | light snow | light snow | cloudy | rain shwrs | light rain | rain shwrs | light rain | light rain | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | 2 | 2 | 5 | 5 | — | — | — | — | — | — | |
14 | 15 | 17 | 11 | 1.2 | 1.6 | 6 | — | 6 | 10 | — | — | — | — | 0.3 | 0.1 | 0.1 | 0.1 | 0.2 | |
max °C | 16 | 4 | 6 | 5 | 4 | 5 | 4 | 2 | 2 | 2 | 1 | 2 | 1 | 1 | 4 | 4 | 5 | 8 | 7 |
min °C | 6 | 3 | 5 | 3 | 3 | 5 | 2 | 2 | 2 | 1 | 0 | 1 | 0 | 1 | 3 | 3 | 4 | 8 | 5 |
4 | 0 | 1 | -1 | 0 | 3 | -2 | -2 | -2 | -4 | -5 | -3 | -4 | -2 | 2 | 3 | 4 | 7 | 3 | |
3000 | 1650 | 1950 | 1500 | 1550 | 1650 | 1500 | 1250 | 1300 | 1300 | 1150 | 1150 | 1050 | 1200 | 1550 | 1700 | 1750 | 2100 | 1900 | |
Cloud base (m) | 800 | 600 | 600 | 650 | 650 | 700 | 600 | 750 | 700 | 600 | 650 | 600 | 650 | 650 | 700 | 900 | 850 | 1850 | 650 |
 | — | 5:31 | — | — | 5:30 | — | — | 5:28 | — | — | 5:26 | — | — | 5:26 | — | — | 5:24 | — | — |
 | — | — | — | 8:34 | — | — | 8:36 | — | — | 8:37 | — | — | 8:37 | — | — | 8:38 | — | — | 8:40 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 70mm), heaviest during Wed afternoon. Very mild (max 16°C on Tue night, min 2°C on Thu night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Fri night giving way to a moderate fall of snow, heaviest on Sat afternoon. Freeze-thaw conditions (max 8°C on Mon afternoon, min 0°C on Sat morning). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1000 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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