– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 am Thu 15 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Thu 15 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 5mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 15°C on Thu night, min 0°C on Sat night). Winds increasing (light winds from the SE on Thu morning, strong winds from the SW by Sat morning). | Days 4–6 Weather SummaryMostly dry. Mild temperatures (max 6°C on Sun night, min 2°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  | |  | |  | |  | | | | | |
clear | clear | clear | clear | clear | rain shwrs | light snow | snow shwrs | clear | some clouds | some clouds | cloudy | some clouds | cloudy | cloudy | clear | some clouds | clear | |
Cloud base (m) | 9650 | 9250 | 8650 | 8500 | 650 | 650 | 7000 | 5200 | 5300 | 3250 | 3650 | 2800 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.9 | 4 | — | — | — | — | — | — | — | — | — | — | — |
max °C | 13 | 13 | 15 | 14 | 13 | 11 | 3 | 1 | 1 | 3 | 5 | 6 | 4 | 5 | 4 | 4 | 5 | 6 |
min °C | 12 | 12 | 13 | 14 | 12 | 5 | 2 | 1 | 0 | 2 | 4 | 5 | 3 | 4 | 2 | 3 | 5 | 5 |
chill °C | 11 | 10 | 12 | 13 | 10 | 0 | -4 | -4 | -6 | -1 | 4 | 3 | 1 | 3 | 0 | 3 | 5 | 5 |
Freezing level m | 4000 | 4050 | 3900 | 3950 | 3750 | 3250 | 2150 | 2050 | 2050 | 2800 | 3000 | 2850 | 2550 | 2600 | 2350 | 2550 | 2650 | 2600 |
 | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — |
 | — | 6:17 | — | — | 6:15 | — | — | 6:14 | — | — | 6:13 | — | — | 6:10 | — | — | 6:08 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 5mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 15°C on Thu night, min 0°C on Sat night). Winds increasing (light winds from the SE on Thu morning, strong winds from the SW by Sat morning).
Mount Index Weather (Days 3-6):
Mostly dry. Mild temperatures (max 6°C on Sun night, min 2°C on Sun morning). Wind will be generally light.
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 |
|---|---|---|---|---|---|
 | |||||
| |||||
| |||||
BUOY-EBSW1 | |||||
Seattl / oeing Airport | | ||||
SHIP3536 | |||||
SHIP8219 |
* 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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