– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 am Mon 05 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 05 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 13°C on Tue night, min 9°C on Mon afternoon). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 3mm) at first, then becoming colder with a dusting of snow on Sat night. Freeze-thaw conditions (max 14°C on Thu afternoon, min -1°C on Sat morning). Winds decreasing (fresh winds from the NW on Fri night, calm by Sat afternoon). | |||||||||||||||||
Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | | | |  |  | |  |  | |
some clouds | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | light rain | light rain | some clouds | cloudy | light snow | |
Cloud base (m) | 8150 | 9100 | 9650 | 8300 | 9050 | 8500 | 800 | 650 | 650 | 600 | 700 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.6 | 3 | — | — | — |
max °C | 11 | 9 | 10 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 8 | 5 | 4 | 0 | -1 | 0 |
min °C | 10 | 9 | 9 | 10 | 10 | 12 | 13 | 13 | 13 | 13 | 13 | 10 | 6 | 5 | 0 | -1 | -1 | -1 |
chill °C | 8 | 7 | 7 | 8 | 9 | 11 | 12 | 12 | 12 | 12 | 12 | 8 | 2 | 1 | -4 | -3 | -1 | -1 |
Freezing level m | 3900 | 3900 | 4050 | 4050 | 4050 | 4100 | 4050 | 4050 | 4200 | 4150 | 4100 | 4050 | 3450 | 2650 | 1950 | 1700 | 1650 | 1750 |
 | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 6:37 | — | — | 6:36 | — | — | 6:34 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 13°C on Tue night, min 9°C on Mon afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Sat night. Freeze-thaw conditions (max 14°C on Thu afternoon, min -1°C on Sat morning). Winds decreasing (fresh winds from the NW on Fri night, calm by Sat afternoon).
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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