– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 pm Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 23 Sep Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 12mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 10°C on Thu afternoon, min -1°C on Fri night). Winds increasing (light winds from the S on Wed night, fresh winds from the WSW by Fri afternoon). | Days 5–7 Weather SummaryLight rain (total 5mm), mostly falling on Tue afternoon. Temperatures will be slightly above freezing (max 3°C on Sat night, min 1°C on Mon morning). Wind will be generally light. | |||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  | |  |  | | | | | | |
rain shwrs | some clouds | some clouds | mod. rain | rain shwrs | light snow | snow shwrs | clear | some clouds | some clouds | cloudy | clear | some clouds | cloudy | cloudy | rain shwrs | |
Cloud base (m) | 6300 | 3150 | 850 | 600 | 600 | 800 | 850 | 1850 | 6200 | 5100 | 2550 | 2050 | 800 | 2050 | ||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | 4 | 10 | — | — | — | — | — | — | — | — | — |
mm | 0.1 | — | — | 6 | 4 | 2 | — | — | — | — | — | — | — | — | — | 0.3 |
max °C | 8 | 9 | 10 | 10 | 4 | 3 | -1 | 0 | 2 | 3 | 3 | 3 | 3 | 1 | 2 | 3 |
min °C | 5 | 8 | 10 | 4 | 3 | 2 | -1 | -1 | 2 | 3 | 3 | 3 | 2 | 1 | 2 | 2 |
chill °C | 2 | 6 | 8 | 0 | 0 | -4 | -8 | -5 | -1 | 3 | 3 | 0 | -2 | -3 | -2 | -1 |
Freezing level m | 3400 | 3400 | 3350 | 2650 | 2300 | 2200 | 1650 | 1800 | 2300 | 2450 | 2350 | 2350 | 2200 | 2050 | 2150 | 2350 |
 | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — |
 | — | — | 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: Moderate rain (total 12mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 10°C on Thu afternoon, min -1°C on Fri night). Winds increasing (light winds from the S on Wed night, fresh winds from the WSW by Fri afternoon).
Mount Index Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Tue afternoon. Temperatures will be slightly above freezing (max 3°C on Sat night, min 1°C on Mon 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 | | ||||
 | |||||
BUOY-WPOW1 |
* 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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