– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 pm Tue 06 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 06 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMild with light rain (total 3mm) on Fri morning Becoming colder with a light covering of snow, mostly falling on Fri morning. Freeze-thaw conditions (max 13°C on Tue night, min -1°C on Fri afternoon). Winds increasing (light winds from the NW on Tue night, near gales from the WSW by Fri morning). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 9°C on Mon afternoon, min -3°C on Fri night). Wind will be generally light. | |||||||||||||||
Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | |  |  | |  |  | | | | | | |
clear | clear | clear | clear | clear | clear | rain shwrs | light snow | light snow | light snow | some clouds | some clouds | clear | clear | clear | clear | |
Cloud base (m) | 9300 | 9600 | 8800 | 8800 | 8650 | 650 | 600 | 600 | 700 | 1600 | 2000 | |||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | 3 | 2 | 3 | — | — | — | — | — | — |
mm | — | — | — | — | — | — | 0.1 | 3 | — | — | — | — | — | — | — | — |
max °C | 13 | 13 | 13 | 13 | 12 | 11 | 10 | 4 | 0 | -1 | -2 | 0 | 0 | 1 | 3 | 5 |
min °C | 12 | 13 | 13 | 12 | 12 | 11 | 5 | 1 | -1 | -3 | -3 | -1 | -1 | 1 | 3 | 4 |
chill °C | 12 | 12 | 12 | 10 | 11 | 9 | -1 | -5 | -6 | -6 | -3 | -3 | -5 | -2 | 2 | 2 |
Freezing level m | 4200 | 4100 | 4000 | 4100 | 4000 | 3900 | 3550 | 2100 | 1700 | 1350 | 1450 | 1850 | 1850 | 2050 | 2450 | 3400 |
 | — | 7:13 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — |
 | — | — | 6:34 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:25 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mild with light rain (total 3mm) on Fri morning Becoming colder with a light covering of snow, mostly falling on Fri morning. Freeze-thaw conditions (max 13°C on Tue night, min -1°C on Fri afternoon). Winds increasing (light winds from the NW on Tue night, near gales from the WSW by Fri morning).
Mount Index Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 9°C on Mon afternoon, min -3°C on Fri 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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BUOY-EBSW1 | |||||
Seattl / oeing Airport | | ||||
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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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