– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 4 pm Sat 26 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 26 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 6mm), mostly falling on Tue morning. Mild temperatures (max 6°C on Sun afternoon, min 3°C on Sat afternoon). Winds increasing (calm on Sat afternoon, fresh winds from the WSW by Tue morning). | Days 5–7 Weather SummaryHeavy rain (total 38mm), heaviest during Tue afternoon. Very mild (max 11°C on Wed night, min 4°C on Thu night). Winds decreasing (fresh winds from the WSW on Tue afternoon, light winds from the SW by Wed afternoon). | ||||||||||||||||
Sat 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  |  |  |  | | |  | |  | | |
some clouds | some clouds | cloudy | clear | some clouds | some clouds | some clouds | rain shwrs | mod. rain | heavy rain | heavy rain | cloudy | some clouds | clear | clear | rain shwrs | rain shwrs | |
Cloud base (m) | 6700 | 5650 | 3950 | 2300 | 600 | 600 | 600 | 650 | 9000 | 9250 | 1800 | 750 | |||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | 1.3 | 5 | 13 | 15 | — | — | — | — | 1.1 | 8 |
max °C | 3 | 5 | 5 | 6 | 6 | 5 | 4 | 4 | 5 | 5 | 5 | 6 | 9 | 11 | 10 | 8 | 6 |
min °C | 3 | 4 | 5 | 6 | 5 | 4 | 4 | 3 | 4 | 5 | 5 | 5 | 8 | 10 | 9 | 7 | 4 |
chill °C | 1 | 3 | 4 | 6 | 2 | 1 | 0 | -3 | -2 | 0 | 0 | 2 | 7 | 9 | 6 | 3 | 0 |
Freezing level m | 2450 | 2750 | 2650 | 2850 | 2950 | 2650 | 2600 | 3250 | 3050 | 3150 | 2850 | 3500 | 3600 | 3650 | 3400 | 3050 | 2650 |
 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — |
 | 6:55 | — | — | 6:53 | — | — | 6:52 | — | — | 6:50 | — | — | 6:47 | — | — | 6:45 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 6mm), mostly falling on Tue morning. Mild temperatures (max 6°C on Sun afternoon, min 3°C on Sat afternoon). Winds increasing (calm on Sat afternoon, fresh winds from the WSW by Tue morning).
Mount Index Weather (Days 3-6):
Heavy rain (total 38mm), heaviest during Tue afternoon. Very mild (max 11°C on Wed night, min 4°C on Thu night). Winds decreasing (fresh winds from the WSW on Tue afternoon, light winds from the SW by Wed afternoon).
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 |
|---|---|---|---|---|---|
Everett Airport |  | ||||
Renton Airport | | ||||
BUOY-EBSW1 | |||||
Seattl / oeing Airport | | ||||
Arlington Municipal Airport | | ||||
* 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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