– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 38mm), heaviest during Fri night. Very mild (max 16°C on Thu afternoon, min 4°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Very mild (max 11°C on Sun afternoon, min 4°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  | | | |  | |  |  | | | | |
some clouds | rain shwrs | rain shwrs | some clouds | cloudy | light rain | light rain | heavy rain | rain shwrs | rain shwrs | rain shwrs | cloudy | some clouds | clear | some clouds | some clouds | some clouds | some clouds | |
Cloud base (m) | 2450 | 2000 | 6100 | 4700 | 3400 | 750 | 1450 | 650 | 650 | 1550 | 1750 | 6800 | 6250 | 6150 | 5700 | 4850 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 0.1 | 0.1 | — | — | 3 | 3 | 16 | 17 | 0.4 | 0.1 | — | — | — | — | — | — | — |
max °C | 10 | 11 | 10 | 14 | 16 | 12 | 8 | 6 | 5 | 5 | 8 | 7 | 10 | 11 | 9 | 9 | 11 | 9 |
min °C | 9 | 11 | 8 | 11 | 13 | 10 | 8 | 6 | 4 | 4 | 7 | 6 | 8 | 11 | 7 | 7 | 11 | 8 |
chill °C | 9 | 11 | 8 | 10 | 13 | 9 | 6 | 5 | 2 | 4 | 6 | 5 | 8 | 11 | 7 | 7 | 10 | 8 |
Freezing level m | 2750 | 2900 | 3400 | 3400 | 3300 | 2650 | 2250 | 2100 | 1650 | 1850 | 2250 | 2650 | 2750 | 2900 | 2750 | 2750 | 3000 | 3100 |
 | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — |
 | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:55 | — | — | 6:53 | — | — | 6:52 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 38mm), heaviest during Fri night. Very mild (max 16°C on Thu afternoon, min 4°C on Fri night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Very mild (max 11°C on Sun afternoon, min 4°C on Sat 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 |
|---|---|---|---|---|---|
 | |||||
SHIP8804 | |||||
SHIP7681 | |||||
SHIP5463 | |||||
SHIP5359 | |||||
SHIP3901 | |||||
SHIP3678 |
* 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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