– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Mon 27 Oct Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Mon 27 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Mon 27 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMild at first with light rain (total 6mm) on Tue night followed by colder weather and light fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 6°C on Tue night, min -5°C on Mon morning). Winds increasing (calm on Mon night, strong winds from the SW by Tue night). | Days 4–6 Weather SummaryHeavy rain (total 47mm), heaviest during Sat morning. Later becoming colder with a dusting of snow on Sat afternoon. Freeze-thaw conditions (max 6°C on Fri night, min 0°C on Sat afternoon). Winds increasing (calm on Thu afternoon, strong winds from the SW by Fri night). | |||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  | | | | | | |  |  | |  | |
light snow | snow shwrs | some clouds | cloudy | light rain | mod. snow | snow shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | light rain | heavy rain | heavy rain | light snow | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
3 | 1 | — | — | — | 8 | 1 | — | — | — | — | — | — | — | — | — | 4 | — | |
— | — | — | — | 0.1 | 6 | — | — | — | — | — | — | — | 0.8 | 21 | 18 | 7 | — | |
max°C | -4 | -4 | 1 | 1 | 4 | 6 | -2 | -1 | 3 | 4 | 5 | 5 | 5 | 5 | 6 | 4 | 3 | 1 |
min°C | -5 | -4 | -3 | 1 | 1 | -1 | -2 | -1 | 0 | 4 | 4 | 5 | 5 | 4 | 5 | 4 | 0 | 0 |
-12 | -9 | -6 | -3 | -3 | -8 | -9 | -6 | -4 | 3 | 3 | 5 | 2 | 0 | 0 | -2 | -6 | -6 | |
1200 | 1300 | 1800 | 2200 | 2700 | 1950 | 1450 | 1550 | 2600 | 3100 | 3000 | 2800 | 2750 | 2800 | 3150 | 2550 | 1750 | 2000 | |
Cloud base (m) | 650 | 700 | 650 | 2750 | 1800 | 650 | 850 | 900 | 700 | 6100 | 5350 | 2850 | 2150 | 600 | 600 | 650 | ||
 | 7:41 | — | — | 7:43 | — | — | 7:45 | — | — | 7:47 | — | — | 7:48 | — | — | 7:50 | — | — |
 | — | 5:57 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:47 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mild at first with light rain (total 6mm) on Tue night followed by colder weather and light fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 6°C on Tue night, min -5°C on Mon morning). Winds increasing (calm on Mon night, strong winds from the SW by Tue night).
Mount Index Weather (Days 3-6):
Heavy rain (total 47mm), heaviest during Sat morning. Later becoming colder with a dusting of snow on Sat afternoon. Freeze-thaw conditions (max 6°C on Fri night, min 0°C on Sat afternoon). Winds increasing (calm on Thu afternoon, strong winds from the SW by Fri night).
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 |
|---|---|---|---|---|---|
 | |||||
SHIP1323 | |||||
 | |||||
SHIP915 | |||||
SHIP5764 | |||||
SHIP652 | |||||
SHIP1562 | |||||
SHIP7759 |
* 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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