– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Wed 13 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 13 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 13 May Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMild with heavy rain (total 32mm), heaviest during Thu night. Becoming colder with a moderate fall of snow heaviest on Fri afternoon. Mild temperatures (max 5°C on Wed night, min 1°C on Fri night). Winds decreasing (fresh winds from the SW on Wed night, light winds from the WNW by Sat afternoon). | Days 5–7 Weather SummaryLight rain (total 2mm), mostly falling on Tue afternoon. Freeze-thaw conditions (max 9°C on Tue afternoon, min 0°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | |  |  |  | | | | |  | | |  | |
heavy rain | light rain | light rain | heavy rain | cloudy | light snow | mod. snow | light snow | rain shwrs | some clouds | some clouds | light rain | some clouds | light rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | 5 | 7 | 2 | — | — | — | — | — | — | — | — | — | — | — | |
11 | 0.7 | 3 | 14 | — | — | — | — | 4 | — | — | 0.1 | — | 0.1 | 0.3 | 0.5 | 0.5 | 1 | 0.3 | |
max °C | 5 | 4 | 5 | 3 | 2 | 2 | 2 | 1 | 3 | 2 | 2 | 5 | 5 | 4 | 6 | 5 | 6 | 9 | 8 |
min °C | 3 | 3 | 5 | 2 | 2 | 2 | 1 | 1 | 2 | 0 | 1 | 4 | 2 | 3 | 5 | 5 | 5 | 9 | 6 |
0 | 0 | 2 | -2 | -2 | -2 | -4 | -3 | -1 | -3 | -1 | 3 | 2 | 3 | 4 | 3 | 4 | 8 | 5 | |
1650 | 1600 | 1700 | 1450 | 1250 | 1300 | 1200 | 1150 | 1350 | 1050 | 1250 | 1600 | 1650 | 1550 | 1900 | 1950 | 2200 | 2400 | 3100 | |
Cloud base (m) | 650 | 850 | 700 | 600 | 750 | 600 | 600 | 650 | 650 | 650 | 650 | 850 | 1800 | 850 | 950 | 650 | 650 | 1550 | 2100 |
 | — | 5:30 | — | — | 5:28 | — | — | 5:26 | — | — | 5:26 | — | — | 5:24 | — | — | 5:22 | — | — |
 | — | — | — | 8:36 | — | — | 8:37 | — | — | 8:37 | — | — | 8:38 | — | — | 8:40 | — | — | 8:42 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mild with heavy rain (total 32mm), heaviest during Thu night. Becoming colder with a moderate fall of snow heaviest on Fri afternoon. Mild temperatures (max 5°C on Wed night, min 1°C on Fri night). Winds decreasing (fresh winds from the SW on Wed night, light winds from the WNW by Sat afternoon).
Mount Index Weather (Days 3-6):
Light rain (total 2mm), mostly falling on Tue afternoon. Freeze-thaw conditions (max 9°C on Tue afternoon, min 0°C on Sat night). 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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