– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Fri 09 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Fri 09 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Fri 09 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Sat afternoon. Becoming milder with heavy rain (total 21mm) on Sun night. Freeze-thaw conditions (max 3°C on Fri night, min -1°C on Sat afternoon). Winds increasing (light winds from the SW on Sat night, near gales from the WSW by Sun night). | Days 5–7 Weather SummaryDrizzle at first, then turning colder with dusting of snow on Wed afternoon. Freeze-thaw conditions (max 9°C on Tue night, min 0°C on Wed afternoon). Winds decreasing (fresh winds from the SW on Wed morning, light winds from the N by Thu morning). | ||||||||||||||||
Fri 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  | | |  |  |  | |  | | | | |
some clouds | some clouds | cloudy | light snow | mod. snow | light snow | mod. rain | mod. snow | mod. rain | light rain | rain shwrs | clear | clear | clear | clear | light snow | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | 3 | 8 | 2 | — | 9 | — | — | — | — | — | — | — | 2 | — | |
— | — | — | — | — | 2 | 5 | 5 | 8 | 1 | 0.1 | — | — | — | — | — | — | |
max °C | 2 | 3 | 2 | 1 | 0 | 2 | 3 | 2 | 3 | 4 | 6 | 8 | 8 | 9 | 6 | 1 | 3 |
min °C | 1 | 2 | 2 | -1 | -1 | 1 | 2 | 1 | 3 | 4 | 4 | 7 | 8 | 7 | 4 | 0 | 0 |
-4 | -4 | -4 | -7 | -6 | -6 | -5 | -6 | -3 | -2 | -1 | 5 | 6 | 4 | -2 | -6 | -5 | |
1950 | 2300 | 2200 | 2050 | 1850 | 2000 | 2500 | 2250 | 2300 | 2650 | 2700 | 3200 | 3550 | 3450 | 3050 | 1900 | 2000 | |
Cloud base (m) | 650 | 650 | 700 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 750 | 650 | 850 | 700 | ||
 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:50 | — | — | 7:50 | — | — |
 | 4:32 | — | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Sat afternoon. Becoming milder with heavy rain (total 21mm) on Sun night. Freeze-thaw conditions (max 3°C on Fri night, min -1°C on Sat afternoon). Winds increasing (light winds from the SW on Sat night, near gales from the WSW by Sun night).
Mount Index Weather (Days 3-6):
Drizzle at first, then turning colder with dusting of snow on Wed afternoon. Freeze-thaw conditions (max 9°C on Tue night, min 0°C on Wed afternoon). Winds decreasing (fresh winds from the SW on Wed morning, light winds from the N by Thu morning).
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
Seattl / oeing Airport | | ||||
SHIP7393 | |||||
SHIP4507 | |||||
SHIP3568 | |||||
SHIP8510 |
* 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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