– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Mon 08 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Mon 08 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Mon 08 Dec Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Mon night will be washed away by heavy rain (total 151mm) on Wed morning. Mild temperatures (max 8°C on Mon afternoon, min 1°C on Mon night). Winds decreasing (near gales from the WSW on Mon afternoon, calm by Tue morning). | Days 4–6 Weather SummaryHeavy rain (total 30mm), heaviest during Thu morning. Mild temperatures (max 9°C on Sat morning, min 4°C on Thu afternoon). Wind will be generally light. | |||||||||||||||||
Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | |  |  | | | | | |  | |
heavy rain | heavy rain | mod. snow | some clouds | light rain | heavy rain | heavy rain | heavy rain | heavy rain | heavy rain | rain shwrs | light rain | light rain | light rain | light rain | some clouds | some clouds | mod. rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
16 | 12 | 9 | — | 2 | 27 | 30 | 20 | 36 | 14 | 1.3 | 1.1 | 3 | 2 | 1.9 | — | — | 7 | |
max°C | 7 | 8 | 7 | 3 | 4 | 8 | 8 | 6 | 8 | 5 | 5 | 5 | 6 | 6 | 5 | 9 | 8 | 6 |
min°C | 5 | 8 | 1 | 2 | 3 | 5 | 7 | 6 | 6 | 5 | 4 | 4 | 6 | 6 | 5 | 6 | 7 | 4 |
0 | 3 | -3 | 2 | -1 | 0 | 4 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 5 | 4 | -1 | |
2050 | 2350 | 1300 | 1350 | 1800 | 2750 | 2500 | 2450 | 2500 | 1900 | 1950 | 1850 | 2200 | 2100 | 2150 | 2600 | 2500 | 1900 | |
Cloud base (m) | 700 | 600 | 650 | 850 | 2450 | 600 | 600 | 600 | 600 | 650 | 650 | 650 | 600 | 600 | 600 | 650 | 600 | |
 | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — |
 | — | 4:14 | — | — | 4:14 | — | — | 4:13 | — | — | 4:13 | — | — | 4:14 | — | — | 4:14 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A light covering of new snow mostly falling on Mon night will be washed away by heavy rain (total 151mm) on Wed morning. Mild temperatures (max 8°C on Mon afternoon, min 1°C on Mon night). Winds decreasing (near gales from the WSW on Mon afternoon, calm by Tue morning).
Mount Index Weather (Days 3-6):
Heavy rain (total 30mm), heaviest during Thu morning. Mild temperatures (max 9°C on Sat morning, min 4°C on Thu afternoon). 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 |
|---|---|---|---|---|---|
SHIP4685 | |||||
 | |||||
 | |||||
SHIP5772 | |||||
SHIP5869 | |||||
SHIP10224 | |||||
SHIP9934 | |||||
SHIP1188 |
* 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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