– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 am Fri 05 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Fri 05 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Fri 05 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 65mm), heaviest during Fri morning. Later becoming colder with a dusting of snow on Sat morning. Mild temperatures (max 6°C on Fri morning, min 1°C on Sat night). Winds decreasing (strong winds from the WSW on Fri night, light winds from the SSW by Sat night). | Days 4–6 Weather SummaryMild with heavy rain (total 73mm), heaviest during Mon night. Becoming colder with a moderate fall of snow heaviest on Wed morning. Freeze-thaw conditions (max 8°C on Mon afternoon, min -3°C on Wed night). Mainly strong winds. | |||||||||||||||||
Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | |  | | |  | | | | |  | | |
heavy rain | mod. rain | heavy rain | light snow | light snow | light rain | mod. rain | mod. rain | mod. rain | heavy rain | heavy rain | light snow | light snow | mod. rain | heavy rain | light snow | snow shwrs | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | 5 | 2 | 1 | |
12 | 9 | 20 | 1.4 | 1.8 | 2 | 6 | 6 | 6 | 14 | 16 | 14 | 1.8 | 8 | 16 | 4 | — | — | |
max°C | 6 | 6 | 3 | 2 | 2 | 2 | 3 | 4 | 4 | 5 | 8 | 3 | 2 | 7 | 7 | 2 | -1 | -2 |
min°C | 5 | 4 | 2 | 2 | 2 | 1 | 2 | 3 | 3 | 4 | 7 | 1 | 1 | 5 | 3 | 0 | -2 | -3 |
1 | -2 | -4 | -4 | -4 | -3 | -2 | -2 | 0 | -1 | 2 | -1 | -1 | 0 | -3 | -7 | -8 | -5 | |
2350 | 1900 | 1400 | 1300 | 1350 | 1200 | 1450 | 1650 | 1650 | 1900 | 2300 | 1350 | 1200 | 2500 | 1900 | 1350 | 900 | 550 | |
Cloud base (m) | 600 | 550 | 600 | 600 | 600 | 600 | 600 | 600 | 750 | 650 | 550 | 600 | 600 | 550 | 550 | 550 | 600 | 650 |
 | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — |
 | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 4:13 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 65mm), heaviest during Fri morning. Later becoming colder with a dusting of snow on Sat morning. Mild temperatures (max 6°C on Fri morning, min 1°C on Sat night). Winds decreasing (strong winds from the WSW on Fri night, light winds from the SSW by Sat night).
Mount Index Weather (Days 3-6):
Mild with heavy rain (total 73mm), heaviest during Mon night. Becoming colder with a moderate fall of snow heaviest on Wed morning. Freeze-thaw conditions (max 8°C on Mon afternoon, min -3°C on Wed night). Mainly strong winds.
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 |
|---|---|---|---|---|---|
 | |||||
SHIP1131 | |||||
 | |||||
| |||||
SHIP368 | |||||
SHIP3419 | |||||
SHIP3900 | |||||
SHIP2932 | |||||
SHIP3268 |
* 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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