– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Sun 06 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sun 06 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 06 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 17°C on Tue afternoon, min 8°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 22°C on Wed afternoon, min 6°C on Fri night). Wind will be generally light. | |||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | | | | | | | | | | |
some clouds | rain shwrs | rain shwrs | cloudy | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | rain shwrs | rain shwrs | clear | clear | rain shwrs | |
Cloud base (m) | 6450 | 2550 | 3050 | 700 | 850 | 7650 | 9700 | 1750 | 2300 | 900 | ||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.1 | 0.2 | — | 0.1 | — | — | — | — | — | — | — | — | 0.1 | 0.1 | — | — | 0.2 |
max °C | 12 | 15 | 12 | 9 | 11 | 10 | 14 | 17 | 15 | 20 | 22 | 17 | 15 | 16 | 13 | 9 | 10 | 8 |
min °C | 10 | 14 | 8 | 8 | 10 | 9 | 11 | 17 | 15 | 16 | 21 | 14 | 14 | 14 | 8 | 8 | 10 | 6 |
chill °C | 10 | 13 | 8 | 7 | 10 | 9 | 11 | 17 | 15 | 16 | 21 | 14 | 14 | 14 | 7 | 7 | 9 | 4 |
Freezing level m | 2750 | 2800 | 2700 | 2550 | 2800 | 3250 | 3500 | 3700 | 4000 | 4400 | 4350 | 4200 | 3650 | 3600 | 3350 | 2650 | 2500 | 2200 |
 | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — |
 | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 17°C on Tue afternoon, min 8°C on Sun night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Warm (max 22°C on Wed afternoon, min 6°C on Fri night). 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 |
|---|---|---|---|---|---|
 | |||||
SHIP8797 | |||||
SHIP5401 | |||||
SHIP8953 | |||||
SHIP5774 | |||||
SHIP6909 | |||||
SHIP6339 |
* 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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