– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Tue 17 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 17 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 17 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 133mm), heaviest during Wed morning. Later becoming colder with a dusting of snow on Fri afternoon. Mild temperatures (max 5°C on Thu night, min 1°C on Fri afternoon). Winds increasing (moderate winds from the SW on Tue night, near gales from the WSW by Fri morning). | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Fri night. Temperatures will be below freezing (max 0°C on Mon morning, min -9°C on Sat morning). Winds decreasing (strong winds from the WSW on Fri night, calm by Mon morning). | ||||||||||||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  | | | |  | |  | |  |  |  | |
heavy rain | heavy rain | mod. rain | light snow | heavy rain | mod. rain | heavy rain | heavy rain | light snow | light snow | light snow | light snow | some clouds | light snow | snow shwrs | some clouds | cloudy | some clouds | cloudy | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | 1 | — | — | — | — | 3 | 2 | 1 | 1 | — | 1 | 1 | — | — | — | — | |
27 | 19 | 9 | 15 | 14 | 8 | 15 | 17 | 10 | — | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 4 | 3 | 3 | 3 | 3 | 5 | 4 | 2 | -1 | -8 | -7 | -7 | -6 | -5 | -2 | 0 | 0 | 0 |
min °C | 4 | 3 | 3 | 2 | 3 | 2 | 3 | 3 | 1 | -7 | -9 | -7 | -7 | -7 | -6 | -5 | -1 | 0 | -3 |
0 | -4 | -3 | -5 | -3 | -4 | -2 | -4 | -6 | -15 | -18 | -14 | -12 | -14 | -12 | -10 | -1 | -2 | -10 | |
2800 | 2550 | 2700 | 2550 | 2500 | 2450 | 2700 | 2550 | 2050 | 900 | 650 | 900 | 700 | 750 | 1000 | 800 | 1750 | 1850 | 1700 | |
Cloud base (m) | 600 | 650 | 600 | 600 | 650 | 650 | 600 | 600 | 600 | 650 | 650 | 750 | 700 | 800 | 700 | 650 | 4550 | 4500 | 2200 |
 | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — |
 | — | — | 7:15 | — | — | 7:16 | — | — | 7:17 | — | — | 7:20 | — | — | 7:21 | — | — | 7:22 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 133mm), heaviest during Wed morning. Later becoming colder with a dusting of snow on Fri afternoon. Mild temperatures (max 5°C on Thu night, min 1°C on Fri afternoon). Winds increasing (moderate winds from the SW on Tue night, near gales from the WSW by Fri morning).
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Fri night. Temperatures will be below freezing (max 0°C on Mon morning, min -9°C on Sat morning). Winds decreasing (strong winds from the WSW on Fri night, calm by Mon morning).
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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* 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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