– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Sun 22 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Sun 22 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 22 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 2°C on Sun morning, min -3°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 1°C on Thu afternoon, min -2°C on Wed morning). Wind will be generally light. | |||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  | | |  | | | |  | | | | |  | |
light snow | light snow | mod. snow | light snow | light snow | cloudy | light snow | light snow | light snow | light snow | light snow | light snow | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
2 | 2 | 9 | 5 | 1 | — | 2 | 5 | 3 | 1 | 2 | 2 | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 2 | 2 | 0 | -1 | 0 | 1 | -1 | -2 | -1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | -1 |
min °C | 1 | 2 | 1 | -1 | -1 | -1 | 0 | -2 | -3 | -2 | 0 | -1 | 0 | 1 | 0 | 0 | 1 | -2 |
0 | -2 | -5 | -4 | -1 | -1 | -2 | -6 | -7 | -6 | -6 | -6 | -4 | -2 | -3 | -3 | -3 | -6 | |
1300 | 1300 | 1400 | 1000 | 850 | 800 | 1200 | 850 | 600 | 750 | 1050 | 950 | 1000 | 1100 | 1050 | 1000 | 1150 | 650 | |
Cloud base (m) | 850 | 600 | 600 | 650 | 600 | 900 | 600 | 600 | 600 | 650 | 750 | 650 | 650 | 650 | 650 | 600 | 600 | 700 |
 | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — |
 | — | 5:39 | — | — | 5:42 | — | — | 5:43 | — | — | 5:45 | — | — | 5:45 | — | — | 5:47 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 2°C on Sun morning, min -3°C on Tue night). Wind will be generally light.
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Wed morning. Freeze-thaw conditions (max 1°C on Thu afternoon, min -2°C on Wed morning). Wind will be generally light.
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP344 | |||||
SHIP8141 | |||||
SHIP8162 | |||||
SHIP1171 |
* 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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