– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 9 am Sun 08 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 08 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA light covering of new snow mostly falling on Mon afternoon will be washed away by heavy rain (total 24mm) on Tue night. Freeze-thaw conditions (max 8°C on Tue night, min -2°C on Sun morning). Mainly strong winds. | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 10°C on Wed afternoon, min -1°C on Fri night). Winds increasing (light winds from the SSW on Wed night, gales from the SW by Fri afternoon). | |||||||||||||||||
Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | | |  | | | | |  |  | |
snow shwrs | some clouds | cloudy | cloudy | light snow | snow shwrs | light snow | heavy rain | rain shwrs | some clouds | some clouds | some clouds | cloudy | some clouds | rain shwrs | light snow | mod. snow | heavy snow | |
Cloud base (m) | 800 | 1500 | 6350 | 2250 | 1850 | 650 | 800 | 600 | 850 | 6900 | 8200 | 6400 | 5700 | 1650 | 550 | 600 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 1 | — | — | — | 3 | 2 | 1 | — | — | — | — | — | — | — | — | 5 | 6 | 15 |
mm | — | — | — | — | — | — | 4 | 10 | 10 | — | — | — | — | — | 0.5 | — | — | — |
max °C | -2 | -1 | 1 | 1 | 1 | 1 | 3 | 4 | 8 | 9 | 10 | 9 | 6 | 5 | 5 | 2 | 2 | 0 |
min °C | -2 | -2 | -1 | 0 | 1 | 0 | 0 | 4 | 4 | 8 | 10 | 7 | 6 | 4 | 2 | 2 | 0 | -1 |
chill °C | -11 | -7 | -6 | -5 | -4 | -6 | -6 | 0 | -1 | 5 | 7 | 5 | 2 | -1 | -6 | -6 | -9 | -9 |
Freezing level m | 1550 | 1550 | 2050 | 1900 | 2000 | 1900 | 1950 | 2750 | 3050 | 3050 | 3250 | 3250 | 2850 | 2650 | 2450 | 2150 | 2150 | 1800 |
 | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — |
 | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — | — | 4:32 | — | — | 4:31 | — | — | 4:30 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A light covering of new snow mostly falling on Mon afternoon will be washed away by heavy rain (total 24mm) on Tue night. Freeze-thaw conditions (max 8°C on Tue night, min -2°C on Sun morning). Mainly strong winds.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Fri night. Freeze-thaw conditions (max 10°C on Wed afternoon, min -1°C on Fri night). Winds increasing (light winds from the SSW on Wed night, gales from the SW by Fri afternoon).
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 |
|---|---|---|---|---|---|
 | |||||
SHIP3782 | |||||
SHIP3463 | |||||
SHIP969 | |||||
SHIP8319 | |||||
SHIP7820 | |||||
SHIP2641 |
* 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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