– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Wed 26 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 26 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 4mm), mostly falling on Fri night. Very mild (max 19°C on Wed afternoon, min 7°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 10mm), heaviest on Sat morning. Very mild (max 11°C on Mon morning, min 7°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  |  | | | | |  |  | | | |
clear | clear | clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | light rain | light rain | light rain | light rain | some clouds | cloudy | light rain | light rain | |
Cloud base (m) | 4200 | 750 | 2100 | 1600 | 750 | 1600 | 600 | 600 | 750 | 750 | 750 | 850 | 2550 | 2550 | 650 | 600 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.2 | 0.1 | 0.6 | 0.2 | 0.3 | 2 | 4 | 2 | 0.3 | 0.2 | 0.1 | — | — | 3 | 0.4 |
max °C | 17 | 19 | 16 | 12 | 15 | 12 | 10 | 12 | 10 | 7 | 9 | 9 | 8 | 9 | 9 | 11 | 10 | 9 |
min °C | 16 | 19 | 12 | 12 | 14 | 9 | 9 | 11 | 7 | 7 | 9 | 8 | 7 | 9 | 9 | 10 | 9 | 9 |
chill °C | 16 | 19 | 12 | 12 | 13 | 9 | 9 | 11 | 5 | 6 | 8 | 7 | 6 | 8 | 9 | 10 | 9 | 9 |
Freezing level m | 4050 | 4000 | 3650 | 3200 | 3300 | 3400 | 3150 | 3050 | 2500 | 2150 | 2450 | 2800 | 3000 | 3100 | 3050 | 2800 | 2850 | 2600 |
 | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — |
 | — | 7:59 | — | — | 7:57 | — | — | 7:54 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 4mm), mostly falling on Fri night. Very mild (max 19°C on Wed afternoon, min 7°C on Fri night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 10mm), heaviest on Sat morning. Very mild (max 11°C on Mon morning, min 7°C on Sat morning). 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 | | ||||
SHIP11086 | |||||
SHIP7654 |
* 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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