– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Sun 22 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 22 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 22 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 3mm) on Sun afternoon. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 2°C on Sun afternoon, min -3°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 1°C on Thu afternoon, min -3°C on Fri night). Wind will be generally light. | ||||||||||||||||
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  | | |  | | | | | | | |
light rain | heavy snow | light snow | light snow | cloudy | cloudy | mod. snow | mod. snow | light snow | light snow | light snow | cloudy | cloudy | cloudy | cloudy | light snow | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | 11 | 5 | 1 | — | — | 6 | 7 | 2 | 1 | 4 | — | — | — | — | 1 | 4 | |
3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 2 | -1 | -1 | 1 | 1 | 0 | -2 | 0 | 0 | 0 | 0 | 1 | 0 | -1 | -1 | -1 |
min °C | 2 | 1 | -1 | -2 | -2 | 1 | -2 | -3 | -1 | 0 | -1 | 0 | 1 | -1 | -1 | -1 | -3 |
-2 | -3 | -6 | -2 | -2 | -1 | -6 | -7 | -5 | -5 | -6 | -5 | -4 | -5 | -5 | -6 | -6 | |
1400 | 1300 | 900 | 850 | 650 | 1200 | 950 | 600 | 800 | 1050 | 950 | 1000 | 1200 | 950 | 900 | 900 | 750 | |
Cloud base (m) | 600 | 600 | 650 | 650 | 700 | 1950 | 650 | 600 | 650 | 650 | 650 | 650 | 650 | 700 | 600 | 600 | 600 |
 | — | — | 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: Light rain (total 3mm) on Sun afternoon. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 2°C on Sun afternoon, min -3°C on Tue night). Wind will be generally light.
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 1°C on Thu afternoon, min -3°C on Fri night). 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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
Seattl / oeing Airport |  | ||||
SHIP457 | |||||
SHIP3921 | |||||
SHIP9210 | |||||
SHIP5633 |
* 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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