– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Tue 02 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Tue 02 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Tue 02 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA dusting of snow. Milder later with heavy rain (total 63mm) on Fri morning. Mild temperatures (max 5°C on Fri morning, min 1°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the WSW by Fri morning). | Days 5–7 Weather SummaryHeavy rain (total 86mm), heaviest during Fri night. Later becoming colder with a dusting of snow on Sat morning. Mild temperatures (max 6°C on Sun afternoon, min 2°C on Fri night). Winds increasing (light winds from the SSW on Sat night, strong winds from the SW by Mon afternoon). | ||||||||||||||||||
Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | | | | |  | | | | |  | |  | |
some clouds | cloudy | cloudy | light rain | light snow | heavy rain | heavy rain | heavy rain | heavy rain | heavy rain | light snow | light rain | light rain | heavy rain | heavy rain | light rain | mod. rain | heavy rain | light snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | 3 | — | — | — | — | — | 3 | — | — | — | — | — | — | — | 1 | |
— | — | — | 1 | — | 13 | 20 | 17 | 12 | 24 | 3 | 5 | 4 | 11 | 13 | 5 | 7 | 13 | 23 | |
max°C | 2 | 1 | 1 | 2 | 2 | 3 | 4 | 5 | 5 | 3 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 6 | 7 |
min°C | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | 3 | 2 | 2 | 2 | 3 | 3 | 6 | 5 | 6 | 5 | 2 |
1 | -1 | -2 | -1 | -1 | -1 | 0 | 0 | -2 | -1 | -2 | -2 | 0 | -1 | 1 | 1 | 3 | 1 | -1 | |
1250 | 1200 | 1150 | 1350 | 1350 | 1500 | 1850 | 1950 | 1750 | 1500 | 1300 | 1400 | 1450 | 1650 | 2150 | 1950 | 2000 | 1950 | 1600 | |
Cloud base (m) | 650 | 1950 | 800 | 650 | 650 | 600 | 600 | 600 | 600 | 600 | 650 | 600 | 600 | 600 | 600 | 650 | 750 | 600 | 650 |
 | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — |
 | — | — | 4:15 | — | — | 4:15 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A dusting of snow. Milder later with heavy rain (total 63mm) on Fri morning. Mild temperatures (max 5°C on Fri morning, min 1°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the WSW by Fri morning).
Mount Index Weather (Days 3-6):
Heavy rain (total 86mm), heaviest during Fri night. Later becoming colder with a dusting of snow on Sat morning. Mild temperatures (max 6°C on Sun afternoon, min 2°C on Fri night). Winds increasing (light winds from the SSW on Sat night, strong winds from the SW by Mon afternoon).
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 |
|---|---|---|---|---|---|
SHIP8739 | |||||
 | |||||
 | |||||
SHIP700 | |||||
SHIP1426 | |||||
SHIP9534 | |||||
SHIP3806 | |||||
SHIP578 |
* 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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