– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Sun 30 Nov Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sun 30 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 30 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Mon night. Freeze-thaw conditions (max 3°C on Sun morning, min 0°C on Tue afternoon). Wind will be generally light. | Days 4–6 Weather SummaryMild with heavy rain (total 56mm), heaviest during Thu night. Becoming colder with a moderate fall of snow heaviest on Fri night. Freeze-thaw conditions (max 6°C on Thu night, min 0°C on Fri night). Winds increasing (calm on Wed morning, strong winds from the WSW by Fri morning). | |||||||||||||||||
Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | | |  |  | |  |  |  | | |
some clouds | clear | some clouds | light snow | light snow | mod. snow | cloudy | some clouds | some clouds | some clouds | light snow | cloudy | light rain | light rain | heavy rain | mod. rain | heavy rain | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | 1 | 1 | 6 | — | — | — | — | 1 | — | — | — | — | — | — | 10 | |
— | — | — | — | — | — | — | — | — | — | — | — | 1.3 | 4 | 28 | 9 | 15 | — | |
max°C | 3 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 3 | 6 | 5 | 3 | 1 |
min°C | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 1 | 2 | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 0 |
1 | 1 | 1 | -2 | 0 | -3 | -2 | 0 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | -3 | -3 | -7 | |
1300 | 1500 | 1650 | 1150 | 1300 | 1300 | 1150 | 1100 | 1250 | 1400 | 1150 | 1150 | 1400 | 1550 | 2150 | 1750 | 1450 | 1100 | |
Cloud base (m) | 7000 | 5650 | 2450 | 1850 | 650 | 600 | 650 | 650 | 650 | 650 | 1700 | 650 | 650 | 600 | 600 | 550 | 550 | 600 |
 | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — |
 | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:14 | — |
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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 Mon night. Freeze-thaw conditions (max 3°C on Sun morning, min 0°C on Tue afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mild with heavy rain (total 56mm), heaviest during Thu night. Becoming colder with a moderate fall of snow heaviest on Fri night. Freeze-thaw conditions (max 6°C on Thu night, min 0°C on Fri night). Winds increasing (calm on Wed morning, strong winds from the WSW by Fri morning).
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 |
|---|---|---|---|---|---|
SHIP3766 | |||||
 | |||||
| |||||
SHIP6398 | |||||
SHIP5853 | |||||
SHIP1931 | |||||
SHIP7246 | |||||
|
* 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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