– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Fri 28 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Fri 28 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 28 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 12mm), heaviest on Sat morning. Mild temperatures (max 7°C on Fri afternoon, min 2°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 37mm), heaviest during Wed morning. Later becoming colder with a dusting of snow on Wed night. Very mild (max 10°C on Mon afternoon, min 1°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the SW by Tue night). | |||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | |  |  |  | | | |  |  | |  | |
light rain | rain shwrs | rain shwrs | light rain | light rain | light rain | rain shwrs | light rain | clear | clear | some clouds | clear | clear | some clouds | heavy rain | heavy rain | rain shwrs | light snow | |
Cloud base (m) | 700 | 1550 | 1650 | 600 | 650 | 650 | 650 | 1750 | 3450 | 9100 | 800 | 600 | 600 | 600 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
mm | 0.4 | 0.4 | 0.7 | 5 | 4 | 1.3 | 0.4 | 0.1 | — | — | — | — | — | — | 13 | 19 | 4 | 1.4 |
max °C | 6 | 7 | 7 | 2 | 3 | 4 | 3 | 5 | 7 | 8 | 10 | 9 | 8 | 9 | 6 | 3 | 3 | 2 |
min °C | 5 | 6 | 2 | 2 | 2 | 3 | 3 | 4 | 6 | 8 | 10 | 8 | 8 | 9 | 3 | 3 | 3 | 1 |
chill °C | 3 | 4 | -1 | -2 | -2 | 0 | 0 | 1 | 3 | 8 | 8 | 6 | 6 | 6 | -3 | -2 | -2 | -3 |
Freezing level m | 3250 | 3200 | 2600 | 2200 | 2350 | 2600 | 3000 | 3100 | 3650 | 3550 | 3550 | 3500 | 3500 | 3250 | 2900 | 2350 | 2250 | 1950 |
 | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — |
 | — | 7:54 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — | — | 7:46 | — | — | 7:45 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 12mm), heaviest on Sat morning. Mild temperatures (max 7°C on Fri afternoon, min 2°C on Fri night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Heavy rain (total 37mm), heaviest during Wed morning. Later becoming colder with a dusting of snow on Wed night. Very mild (max 10°C on Mon afternoon, min 1°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the SW by Tue night).
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 |
|---|---|---|---|---|---|
 | |||||
SHIP4606 | |||||
SHIP8253 | |||||
SHIP8795 | |||||
SHIP7160 | |||||
SHIP4476 |
* 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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