– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Sat 15 Aug Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sat 15 Aug Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 15 Aug Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummarySome drizzle, heaviest during Sat afternoon. Warm (max 20°C on Mon afternoon, min 13°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 23°C on Thu afternoon, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | | | | | | | |
risk tstorm | rain shwrs | cloudy | clear | clear | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 2900 | 2050 | 650 | 850 | 8850 | 6800 | 7100 | 700 | 8800 | ||||||||
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.5 | 0.4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 18 | 16 | 14 | 19 | 16 | 17 | 20 | 18 | 16 | 19 | 16 | 14 | 18 | 16 | 20 | 23 | 20 |
min °C | 17 | 13 | 13 | 17 | 15 | 15 | 19 | 14 | 15 | 18 | 12 | 12 | 17 | 15 | 17 | 22 | 19 |
chill °C | 17 | 13 | 13 | 17 | 15 | 15 | 19 | 14 | 15 | 18 | 12 | 12 | 17 | 15 | 17 | 22 | 19 |
Freezing level m | 3650 | 3700 | 3700 | 3950 | 4050 | 4050 | 4050 | 3900 | 3900 | 3950 | 4250 | 4250 | 4350 | 4400 | 4350 | 4550 | 4600 |
 | — | — | 6:01 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — |
 | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:14 | — | — | 8:12 | — | — | 8:09 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Some drizzle, heaviest during Sat afternoon. Warm (max 20°C on Mon afternoon, min 13°C on Sat night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Warm (max 23°C on Thu afternoon, min 12°C on Tue 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 |  | ||||
SHIP4727 | |||||
SHIP9823 | |||||
SHIP3119 |
* 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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