– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Sun 28 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 28 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 28 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 8°C on Tue morning, min -3°C on Sun afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 7°C on Wed afternoon, min -1°C on Fri night). Wind will be generally light. | ||||||||||||||||
Sun 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | | | | |  |  | | | |
cloudy | some clouds | some clouds | cloudy | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | light snow | light snow | cloudy | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 2 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | 1 | 1 | 3 | 6 | 8 | 8 | 7 | 6 | 7 | 6 | 3 | 1 | 1 | 2 | 3 | 1 |
min °C | -3 | -1 | 1 | 2 | 4 | 7 | 8 | 6 | 6 | 6 | 3 | 2 | 0 | 0 | 1 | 1 | -1 |
-8 | -6 | -3 | -2 | 2 | 6 | 6 | 4 | 5 | 5 | 1 | 0 | -5 | -5 | -2 | -4 | -4 | |
1050 | 0 | 2200 | 2600 | 3150 | 3300 | 3400 | 3300 | 3250 | 3300 | 3050 | 2400 | 2150 | 1900 | 2050 | 2250 | 1600 | |
Cloud base (m) | 950 | 950 | 950 | 700 | 650 | 650 | 650 | 650 | 600 | 600 | 600 | 600 | 1650 | 750 | 600 | 600 | 600 |
 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — |
 | 4:21 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:24 | — | — | 4:25 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Freeze-thaw conditions (max 8°C on Tue morning, min -3°C on Sun afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 7°C on Wed afternoon, min -1°C on Fri night). Wind will be generally light.
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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
| |||||
BUOY-46120 | |||||
Seattl / oeing Airport |  | ||||
SHIP4779 | |||||
SHIP4452 | |||||
SHIP8182 |
* 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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