– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Sat 05 Sep Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sat 05 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sat 05 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 15°C on Sun afternoon, min 8°C on Mon morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 20°C on Wed afternoon, min 9°C on Thu night). Wind will be generally light. | |||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  |  | | | | | | | | | |
rain shwrs | risk tstorm | rain shwrs | some clouds | some clouds | clear | light rain | rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | rain shwrs | |
Cloud base (m) | 2450 | 2250 | 6350 | 2750 | 800 | 700 | 9650 | 9500 | 9800 | 750 | ||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | 1.7 | 0.5 | — | — | — | 0.1 | 0.1 | — | — | — | — | — | — | — | — | — | 0.5 |
max °C | 12 | 14 | 11 | 14 | 15 | 12 | 9 | 10 | 9 | 13 | 17 | 15 | 18 | 20 | 17 | 18 | 19 | 16 |
min °C | 9 | 12 | 10 | 11 | 15 | 9 | 8 | 9 | 8 | 10 | 16 | 14 | 15 | 20 | 16 | 16 | 18 | 9 |
chill °C | 9 | 12 | 10 | 11 | 15 | 9 | 7 | 8 | 8 | 10 | 16 | 14 | 15 | 20 | 16 | 16 | 18 | 8 |
Freezing level m | 2500 | 2650 | 2800 | 2900 | 2950 | 2900 | 2600 | 2800 | 3300 | 3600 | 3750 | 4100 | 4450 | 4550 | 4700 | 4300 | 3950 | 3350 |
 | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — |
 | — | 7:38 | — | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 15°C on Sun afternoon, min 8°C on Mon morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Warm (max 20°C on Wed afternoon, min 9°C on Thu 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 |
|---|---|---|---|---|---|
 | |||||
SHIP9154 | |||||
SHIP9889 | |||||
SHIP9626 | |||||
SHIP7825 | |||||
SHIP9492 | |||||
SHIP8760 |
* 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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