– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Fri 31 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Fri 31 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Fri 31 Jul Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 10mm), mostly falling on Sat afternoon. Warm (max 22°C on Fri afternoon, min 8°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 23°C on Tue afternoon, min 10°C on Mon morning). Wind will be generally light. | |||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | | | | | | | | | | |
clear | clear | clear | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
Cloud base (m) | 650 | 700 | 650 | 650 | 1750 | 2400 | 9650 | |||||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.7 | 5 | 2 | 1.3 | 0.6 | — | — | — | — | — | — | — | — | — | — |
max °C | 18 | 22 | 19 | 12 | 12 | 10 | 8 | 12 | 10 | 14 | 18 | 17 | 21 | 23 | 20 | 21 | 23 | 20 |
min °C | 16 | 21 | 12 | 11 | 11 | 8 | 8 | 11 | 8 | 10 | 17 | 16 | 18 | 23 | 17 | 19 | 23 | 16 |
chill °C | 16 | 21 | 11 | 9 | 9 | 6 | 8 | 10 | 8 | 10 | 17 | 16 | 18 | 23 | 17 | 19 | 23 | 16 |
Freezing level m | 4450 | 4600 | 4250 | 3100 | 2700 | 2650 | 2700 | 2700 | 2950 | 3300 | 3650 | 3750 | 3850 | 4200 | 4200 | 4250 | 4500 | 4400 |
 | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:45 | — | — | 5:46 | — | — | 5:48 | — | — |
 | — | — | 8:43 | — | — | 8:40 | — | — | 8:39 | — | — | 8:37 | — | — | 8:37 | — | — | 8:35 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 10mm), mostly falling on Sat afternoon. Warm (max 22°C on Fri afternoon, min 8°C on Sat night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Warm (max 23°C on Tue afternoon, min 10°C on Mon 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 |
|---|---|---|---|---|---|
 | |||||
SHIP3883 | |||||
| |||||
| |||||
SHIP2082 | |||||
SHIP4483 | |||||
SHIP1215 | |||||
SHIP7711 | |||||
SHIP2997 |
* 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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