– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Wed 04 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Wed 04 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 04 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 13°C on Wed night, min 0°C on Sat morning). Winds increasing (calm on Wed night, fresh winds from the SW by Sat morning). | Days 5–7 Weather SummaryHeavy rain (total 31mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 2°C on Sat afternoon, min -6°C on Mon night). Winds decreasing (strong winds from the SW on Sat night, light winds from the S by Tue morning). | ||||||||||||||||
Wed 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  | |  |  | |  | | |  | |
clear | clear | some clouds | some clouds | clear | clear | some clouds | clear | light snow | light snow | mod. snow | mod. snow | mod. snow | heavy snow | mod. snow | light snow | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 1 | 2 | 6 | 6 | 9 | 16 | 6 | 4 | 4 | |
— | — | — | — | — | — | — | — | — | 6 | 24 | — | — | — | — | — | — | |
max °C | 11 | 13 | 13 | 13 | 9 | 7 | 5 | 4 | 2 | 2 | 2 | -1 | -3 | -4 | -5 | -5 | -5 |
min °C | 11 | 11 | 13 | 10 | 7 | 5 | 4 | 3 | 0 | 2 | 1 | -3 | -3 | -5 | -5 | -5 | -6 |
9 | 10 | 12 | 8 | 4 | 1 | 0 | -2 | -6 | -4 | -6 | -9 | -8 | -11 | -12 | -11 | -13 | |
3550 | 3750 | 3850 | 3800 | 3150 | 2900 | 2700 | 2300 | 2250 | 2200 | 2350 | 1700 | 1300 | 1150 | 1050 | 1100 | 950 | |
Cloud base (m) | 7750 | 8350 | 8900 | 8850 | 3200 | 2350 | 950 | 600 | 650 | 650 | 600 | 650 | 600 | 600 | |||
 | — | — | 7:26 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — |
 | 5:12 | — | — | 5:13 | — | — | 5:15 | — | — | 5:15 | — | — | 5:17 | — | — | 5:20 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A dusting of new snow. Freeze-thaw conditions (max 13°C on Wed night, min 0°C on Sat morning). Winds increasing (calm on Wed night, fresh winds from the SW by Sat morning).
Mount Index Weather (Days 3-6):
Heavy rain (total 31mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 2°C on Sat afternoon, min -6°C on Mon night). Winds decreasing (strong winds from the SW on Sat night, light winds from the S by Tue 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 |
|---|---|---|---|---|---|
 | |||||
* 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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