– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 4 am Fri 09 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 09 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 10mm) heaviest on Fri morning, then becoming colder with a dusting of snow on Fri afternoon. Freeze-thaw conditions (max 4°C on Fri morning, min -3°C on Fri night). Winds decreasing (strong winds from the WSW on Fri morning, calm by Sat morning). | Days 4–6 Weather SummaryMostly dry. Mild temperatures (max 6°C on Wed night, min 3°C on Mon morning). Wind will be generally light. | |||||||||||||||||
Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | | |  | | | |  | |  | |
heavy rain | light snow | light snow | cloudy | some clouds | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | some clouds | light rain | light rain | rain shwrs | |
Cloud base (m) | 600 | 600 | 600 | 650 | 1800 | 3250 | 2700 | 1850 | 1800 | 950 | 750 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.1 | 0.1 | 0.2 |
max °C | 4 | 0 | -2 | -2 | 0 | 0 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 |
min °C | 2 | -1 | -3 | -3 | -1 | 0 | 0 | 2 | 3 | 3 | 5 | 5 | 5 | 5 | 4 | 4 | 5 | 5 |
chill °C | -4 | -6 | -6 | -3 | -1 | -2 | -3 | 0 | 1 | 1 | 3 | 3 | 2 | 2 | 1 | 0 | 2 | 2 |
Freezing level m | 2250 | 1650 | 1400 | 1450 | 1800 | 1850 | 2000 | 2250 | 2900 | 3400 | 3500 | 3250 | 3200 | 3100 | 2950 | 2700 | 2950 | 3750 |
 | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — |
 | — | 6:30 | — | — | 6:28 | — | — | 6:25 | — | — | 6:23 | — | — | 6:22 | — | — | 6:20 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 10mm) heaviest on Fri morning, then becoming colder with a dusting of snow on Fri afternoon. Freeze-thaw conditions (max 4°C on Fri morning, min -3°C on Fri night). Winds decreasing (strong winds from the WSW on Fri morning, calm by Sat morning).
Mount Index Weather (Days 3-6):
Mostly dry. Mild temperatures (max 6°C on Wed night, min 3°C on Mon morning). 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
| |||||
BUOY-EBSW1 | |||||
Seattl / oeing Airport | | ||||
SHIP3620 | |||||
SHIP3959 | |||||
SHIP8875 | |||||
SHIP5026 |
* 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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