– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Mon 20 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Mon 20 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Mon 20 Jul Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 21°C on Wed afternoon, min 14°C on Thu afternoon). Wind will be generally light. | Days 5–7 Weather SummarySome drizzle, heaviest during Sun morning. Very mild (max 14°C on Fri afternoon, min 5°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | |  | | | | | | | |  |  | | | | |
some clouds | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | light rain | light rain | light rain | light rain | some clouds | |
Cloud base (m) | 9300 | 9300 | 8800 | 7050 | 6350 | 900 | 800 | 750 | 800 | 850 | 1900 | ||||||||
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.3 | 0.4 | 0.4 | 0.3 | — |
max °C | 18 | 19 | 20 | 20 | 19 | 21 | 21 | 16 | 15 | 12 | 12 | 14 | 14 | 7 | 6 | 7 | 7 | 8 | 8 |
min °C | 18 | 18 | 20 | 19 | 19 | 20 | 18 | 15 | 14 | 11 | 11 | 13 | 10 | 7 | 5 | 6 | 7 | 7 | 7 |
chill °C | 18 | 18 | 20 | 19 | 19 | 20 | 18 | 15 | 13 | 9 | 9 | 12 | 8 | 4 | 2 | 2 | 5 | 5 | 5 |
Freezing level m | 4500 | 4450 | 4650 | 4600 | 4650 | 4750 | 4700 | 4550 | 4450 | 4100 | 4100 | 4100 | 4000 | 3200 | 3250 | 3800 | 3800 | 3800 | 3750 |
 | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — |
 | — | — | — | 8:54 | — | — | 8:53 | — | — | 8:52 | — | — | 8:51 | — | — | 8:50 | — | — | 8:49 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Warm (max 21°C on Wed afternoon, min 14°C on Thu afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Some drizzle, heaviest during Sun morning. Very mild (max 14°C on Fri afternoon, min 5°C on Sat afternoon). Wind will be generally light.
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
| |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
| |||||
BUOY-WPOW1 |
* 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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