– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 4 am Sat 26 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sat 26 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 5°C on Sat night, min -1°C on Sat morning). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 52mm), heaviest during Thu afternoon. Later becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 8°C on Wed night, min -1°C on Thu night). Winds increasing (light winds from the S on Wed night, fresh winds from the NW by Thu night). | |||||||||||||||||
Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  |  | |  |  | |  | |  |  | |
clear | some clouds | some clouds | cloudy | clear | some clouds | some clouds | clear | rain shwrs | light rain | light rain | heavy rain | mod. rain | light rain | light rain | light rain | heavy rain | snow shwrs | |
Cloud base (m) | 1000 | 6750 | 6200 | 5400 | 6200 | 2450 | 800 | 700 | 600 | 600 | 650 | 750 | 850 | 650 | 600 | |||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
mm | — | — | — | — | — | — | — | — | 0.2 | 0.7 | 1.4 | 11 | 8 | 0.8 | 1.1 | 4 | 17 | 9 |
max °C | 0 | 3 | 5 | 4 | 5 | 5 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 8 | 7 | 6 | 4 |
min °C | -1 | 3 | 4 | 4 | 5 | 4 | 4 | 4 | 4 | 4 | 6 | 5 | 6 | 7 | 8 | 7 | 5 | -1 |
chill °C | -4 | 1 | 4 | 4 | 4 | 1 | 1 | 1 | 0 | -1 | 1 | 0 | 2 | 4 | 6 | 4 | 0 | -8 |
Freezing level m | 1850 | 2450 | 2700 | 2650 | 2750 | 2750 | 2750 | 2950 | 3350 | 3250 | 2950 | 3150 | 3050 | 3200 | 3050 | 3000 | 2700 | 1750 |
 | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | 6:55 | — | — | 6:53 | — | — | 6:52 | — | — | 6:50 | — | — | 6:47 | — | — | 6:45 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Freeze-thaw conditions (max 5°C on Sat night, min -1°C on Sat morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Heavy rain (total 52mm), heaviest during Thu afternoon. Later becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 8°C on Wed night, min -1°C on Thu night). Winds increasing (light winds from the S on Wed night, fresh winds from the NW by Thu night).
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 |
|---|---|---|---|---|---|
 | |||||
SHIP10708 | |||||
SHIP10119 | |||||
SHIP2957 | |||||
SHIP10070 | |||||
SHIP4387 | |||||
SHIP4844 |
* 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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