– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Mon 29 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Mon 29 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Mon 29 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Mild temperatures (max 8°C on Tue morning, min 1°C on Thu afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 3°C on Fri afternoon, min -5°C on Sat night). Winds increasing (light winds from the SE on Thu night, near gales from the SSW by Sat afternoon). | ||||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  | |  | |  |  |  | |  |  | | | |
some clouds | clear | clear | clear | some clouds | some clouds | clear | cloudy | cloudy | cloudy | some clouds | light rain | light snow | light snow | light snow | mod. snow | mod. snow | mod. snow | light snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | 2 | 8 | 9 | 8 | 2 | |
— | — | — | — | — | — | — | — | — | — | — | 0.1 | 0.1 | — | — | — | — | — | — | |
max °C | 7 | 8 | 7 | 7 | 6 | 6 | 5 | 3 | 1 | 2 | 2 | 3 | 2 | -2 | -3 | -4 | -5 | -5 | -6 |
min °C | 5 | 7 | 7 | 6 | 6 | 5 | 3 | 2 | 1 | 0 | 2 | 2 | -3 | -3 | -4 | -5 | -5 | -5 | -6 |
5 | 6 | 5 | 4 | 4 | 3 | 0 | -2 | -2 | -2 | -1 | -3 | -11 | -11 | -13 | -14 | -13 | -12 | -13 | |
3150 | 3300 | 3450 | 3250 | 3150 | 3100 | 2900 | 2400 | 2100 | 1850 | 2200 | 2350 | 2200 | 1600 | 1400 | 1150 | 1000 | 950 | 950 | |
Cloud base (m) | 650 | 650 | 650 | 650 | 600 | 600 | 600 | 600 | 600 | 2300 | 1550 | 750 | 1450 | 600 | 650 | 600 | 600 | 600 | 600 |
 | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — |
 | — | — | 4:22 | — | — | 4:22 | — | — | 4:24 | — | — | 4:25 | — | — | 4:27 | — | — | 4:28 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Mild temperatures (max 8°C on Tue morning, min 1°C on Thu afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 3°C on Fri afternoon, min -5°C on Sat night). Winds increasing (light winds from the SE on Thu night, near gales from the SSW by Sat afternoon).
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 |
|---|---|---|---|---|---|
 | |||||
SHIP3841 | |||||
| |||||
SHIP5467 | |||||
SHIP8515 | |||||
SHIP4702 | |||||
SHIP8586 | |||||
|
* 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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