– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 am Mon 12 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 12 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummarySome drizzle, heaviest during Wed morning. Mild temperatures (max 9°C on Wed night, min 1°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 12mm) heaviest on Sat morning, then becoming colder with a dusting of snow on Sat afternoon. Very mild (max 14°C on Thu night, min 1°C on Sat afternoon). Winds increasing (light winds from the SSE on Thu night, strong winds from the WSW by Sat morning). | |||||||||||||||||
Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  | | |  | | | |  |  | | |
clear | clear | some clouds | some clouds | cloudy | light rain | light rain | light rain | rain shwrs | clear | clear | clear | clear | clear | clear | rain shwrs | light snow | some clouds | |
Cloud base (m) | 1900 | 2450 | 1900 | 850 | 650 | 650 | 7100 | 9250 | 9100 | 650 | 650 | 750 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — |
mm | — | — | — | — | — | 0.2 | 0.9 | 0.5 | 0.1 | — | — | — | — | — | — | 12 | — | — |
max °C | 1 | 3 | 3 | 3 | 4 | 4 | 5 | 6 | 9 | 10 | 11 | 14 | 14 | 13 | 11 | 4 | 2 | 1 |
min °C | 1 | 3 | 3 | 3 | 3 | 4 | 5 | 5 | 6 | 10 | 10 | 12 | 14 | 12 | 7 | 2 | 1 | 1 |
chill °C | -1 | 1 | 1 | 0 | 0 | 1 | 2 | 3 | 6 | 9 | 8 | 11 | 13 | 10 | 3 | -4 | -4 | -4 |
Freezing level m | 2150 | 2950 | 3100 | 2700 | 2750 | 2800 | 3000 | 3650 | 3850 | 3750 | 3850 | 3900 | 3950 | 3800 | 3450 | 2200 | 2050 | 1950 |
 | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — |
 | — | 6:23 | — | — | 6:22 | — | — | 6:20 | — | — | 6:17 | — | — | 6:15 | — | — | 6:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Some drizzle, heaviest during Wed morning. Mild temperatures (max 9°C on Wed night, min 1°C on Mon morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 12mm) heaviest on Sat morning, then becoming colder with a dusting of snow on Sat afternoon. Very mild (max 14°C on Thu night, min 1°C on Sat afternoon). Winds increasing (light winds from the SSE on Thu night, strong winds from the WSW by Sat morning).
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
| |||||
BUOY-EBSW1 | |||||
Seattl / oeing Airport | | ||||
| |||||
BUOY-WPOW1 |
* 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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