– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Thu 04 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Thu 04 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 04 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 Thu morning will be washed away by heavy rain (total 73mm) on Fri morning. Mild temperatures (max 6°C on Fri morning, min 2°C on Thu morning). Winds increasing (calm on Thu night, near gales from the WSW by Fri night). | Days 4–6 Weather SummaryMild with heavy rain (total 59mm), heaviest during Mon afternoon. Becoming colder with a moderate fall of snow heaviest on Mon night. Freeze-thaw conditions (max 8°C on Mon afternoon, min 0°C on Mon night). Winds decreasing (gales from the SW on Mon afternoon, light winds from the SSW by Tue afternoon). | |||||||||||||||||
Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  | | | | | |  | | |  | |
light snow | mod. rain | heavy rain | heavy rain | mod. rain | heavy rain | light rain | light rain | mod. rain | mod. rain | heavy rain | mod. rain | mod. rain | heavy rain | mod. snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 2 | 1 | 2 | |
— | 9 | 10 | 12 | 8 | 16 | 4 | 4 | 10 | 9 | 12 | 6 | 8 | 12 | 6 | — | — | 7 | |
max°C | 2 | 2 | 4 | 6 | 6 | 3 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 8 | 4 | 1 | 1 | 6 |
min°C | 2 | 2 | 3 | 5 | 4 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 6 | 0 | 0 | 1 | 1 |
-1 | -1 | 1 | 1 | -2 | -4 | -4 | -2 | 0 | 0 | -1 | 0 | 2 | 2 | -6 | -4 | -2 | -3 | |
1350 | 1400 | 1700 | 2150 | 1900 | 1350 | 1350 | 1400 | 1500 | 1550 | 1800 | 1650 | 1600 | 2200 | 1250 | 1000 | 1150 | 1350 | |
Cloud base (m) | 650 | 650 | 600 | 600 | 550 | 600 | 650 | 600 | 600 | 600 | 600 | 650 | 750 | 600 | 600 | 650 | 650 | 550 |
 | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — |
 | — | 4:15 | — | — | 4:14 | — | — | 4:14 | — | — | 4:14 | — | — | 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 Thu morning will be washed away by heavy rain (total 73mm) on Fri morning. Mild temperatures (max 6°C on Fri morning, min 2°C on Thu morning). Winds increasing (calm on Thu night, near gales from the WSW by Fri night).
Mount Index Weather (Days 3-6):
Mild with heavy rain (total 59mm), heaviest during Mon afternoon. Becoming colder with a moderate fall of snow heaviest on Mon night. Freeze-thaw conditions (max 8°C on Mon afternoon, min 0°C on Mon night). Winds decreasing (gales from the SW on Mon afternoon, light winds from the SSW by Tue afternoon).
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 |
|---|---|---|---|---|---|
SHIP4085 | |||||
 | |||||
| |||||
SHIP4243 | |||||
SHIP2699 | |||||
SHIP9864 | |||||
SHIP6185 | |||||
SHIP6279 |
* 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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