– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 am Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 22 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 8mm), mostly falling on Thu night. Mild temperatures (max 8°C on Thu morning, min 3°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummaryMild with light rain (total 3mm) on Fri morning Becoming colder with a light covering of snow, mostly falling on Fri afternoon. Freeze-thaw conditions (max 6°C on Sat night, min -1°C on Fri afternoon). Wind will be generally light. | |||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  |  |  | | | |  |  | |  | |
clear | rain shwrs | some clouds | some clouds | clear | some clouds | some clouds | some clouds | mod. rain | light snow | snow shwrs | some clouds | clear | clear | cloudy | cloudy | some clouds | clear | |
Cloud base (m) | 850 | 1750 | 2350 | 2400 | 6700 | 3050 | 600 | 600 | 650 | 850 | 950 | 8650 | 5900 | 4250 | 3400 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | 3 | 4 | — | — | — | — | — | — | — |
mm | — | 0.2 | — | — | — | — | — | — | 8 | 3 | — | — | — | — | — | — | — | — |
max °C | 5 | 6 | 6 | 5 | 6 | 7 | 8 | 7 | 5 | 3 | 0 | 0 | 1 | 5 | 6 | 6 | 6 | 5 |
min °C | 5 | 6 | 4 | 5 | 5 | 5 | 7 | 6 | 3 | 0 | -1 | -1 | 0 | 4 | 6 | 6 | 6 | 4 |
chill °C | 2 | 3 | 0 | 2 | 2 | 2 | 5 | 3 | -2 | -5 | -7 | -6 | -3 | 4 | 4 | 5 | 5 | 2 |
Freezing level m | 3400 | 3200 | 2750 | 2900 | 2950 | 3350 | 3100 | 3100 | 2500 | 1900 | 1800 | 1650 | 2100 | 2850 | 3100 | 2900 | 2700 | 2600 |
 | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:55 | — | — | 6:53 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 8mm), mostly falling on Thu night. Mild temperatures (max 8°C on Thu morning, min 3°C on Thu night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mild with light rain (total 3mm) on Fri morning Becoming colder with a light covering of snow, mostly falling on Fri afternoon. Freeze-thaw conditions (max 6°C on Sat night, min -1°C on Fri 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.
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