– 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 4°C on Mon night). Wind will be generally light. | Days 5–7 Weather SummaryMild at first with light rain (total 6mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 6°C on Fri morning, min 0°C on Sat night). Wind will be generally light. | ||||||||||||||||||
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 rain | light rain | light snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 5 | 4 | 4 | 1 | |
— | — | — | — | — | — | — | — | — | — | — | 0.1 | 0.1 | 2 | 3 | — | — | — | — | |
max °C | 5 | 8 | 7 | 6 | 8 | 7 | 6 | 6 | 5 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 0 | 0 | 0 |
min °C | 4 | 7 | 6 | 5 | 7 | 6 | 4 | 5 | 4 | 3 | 5 | 5 | 2 | 2 | 2 | 0 | 0 | 0 | -1 |
4 | 6 | 6 | 5 | 7 | 6 | 3 | 4 | 4 | 1 | 2 | 2 | -2 | -2 | -3 | -6 | -5 | -4 | -4 | |
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 4°C on Mon night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mild at first with light rain (total 6mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 6°C on Fri morning, min 0°C on Sat 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 |
|---|---|---|---|---|---|
 | |||||
SHIP5147 | |||||
| |||||
SHIP1216 | |||||
SHIP4108 | |||||
SHIP5465 | |||||
SHIP7975 | |||||
SHIP4015 |
* 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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