– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 4 am Fri 18 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 18 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 18°C on Sun afternoon, min 12°C on Fri morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 14°C on Mon afternoon, min 7°C on Wed night). Wind will be generally light. | |||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | | |  | |  |  | | | | | | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | some clouds | cloudy | clear | clear | cloudy | some clouds | some clouds | |
Cloud base (m) | 9500 | 9500 | 8550 | 8700 | 8600 | 7100 | 6350 | 7350 | 5750 | 4600 | 7000 | |||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 14 | 16 | 13 | 15 | 17 | 15 | 16 | 18 | 15 | 13 | 14 | 11 | 10 | 12 | 9 | 10 | 11 | 9 |
min °C | 12 | 16 | 12 | 12 | 16 | 13 | 14 | 17 | 12 | 11 | 14 | 9 | 10 | 11 | 8 | 9 | 11 | 7 |
chill °C | 12 | 16 | 12 | 12 | 16 | 13 | 14 | 17 | 12 | 11 | 14 | 9 | 10 | 10 | 8 | 9 | 11 | 7 |
Freezing level m | 3750 | 3750 | 3850 | 3850 | 3850 | 4000 | 4000 | 3950 | 3900 | 3650 | 3650 | 3800 | 3450 | 3200 | 3100 | 3000 | 2750 | 2950 |
 | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 7:13 | — | — | 7:09 | — | — | 7:07 | — | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Fri morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 14°C on Mon afternoon, min 7°C on Wed 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
 | |||||
BUOY-EBSW1 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP5187 |
* 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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