– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Sun 23 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 23 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 23 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Sun night. Becoming milder with light rain (total 3mm) on Tue night. Freeze-thaw conditions (max 4°C on Tue night, min -1°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 14mm) heaviest on Wed night, then becoming colder with a dusting of snow on Fri afternoon. Temperatures will be slightly above freezing (max 4°C on Wed afternoon, min 1°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  | | |  | | | | | | | |
light rain | light snow | cloudy | light snow | some clouds | light snow | light snow | light rain | light rain | cloudy | mod. rain | light rain | light rain | light rain | cloudy | light snow | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 3 | — | 1 | — | 1 | 2 | — | — | — | — | — | — | — | — | 1 | 2 | |
0.5 | — | — | — | — | — | — | 1.5 | 0.7 | — | 9 | 1.8 | 1.3 | 2 | — | — | — | |
max°C | 3 | 1 | 0 | -1 | 0 | 1 | 1 | 4 | 4 | 4 | 3 | 4 | 3 | 3 | 2 | 1 | 1 |
min°C | 2 | -1 | -1 | -1 | -1 | -1 | 0 | 2 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 1 | 1 |
-1 | -6 | -5 | -4 | -1 | -4 | -2 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 2 | -1 | -1 | |
1450 | 950 | 900 | 900 | 750 | 1300 | 1050 | 1650 | 1850 | 2000 | 1700 | 1750 | 1800 | 1650 | 1400 | 1250 | 1200 | |
Cloud base (m) | 600 | 650 | 650 | 750 | 650 | 2700 | 850 | 650 | 650 | 650 | 650 | 600 | 700 | 600 | 650 | 650 | 650 |
 | — | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — |
 | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:19 | — | — | 4:17 | — | — | 4:16 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A light covering of new snow mostly falling on Sun night. Becoming milder with light rain (total 3mm) on Tue night. Freeze-thaw conditions (max 4°C on Tue night, min -1°C on Sun night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 14mm) heaviest on Wed night, then becoming colder with a dusting of snow on Fri afternoon. Temperatures will be slightly above freezing (max 4°C on Wed afternoon, 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 1000 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-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP4214 | |||||
SHIP3613 | |||||
SHIP8399 |
* 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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