– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 9 am Sat 07 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sat 07 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 2mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 8°C on Sat morning, min -3°C on Sun afternoon). Winds decreasing (gales from the SW on Sat night, calm by Sun night). | Days 4–6 Weather SummaryA dusting of snow giving way to moderate rain (total 10mm) heaviest on Tue afternoon. Very mild (max 12°C on Wed night, min 1°C on Tue morning). Winds increasing (light winds from the SSW on Wed night, fresh winds from the SSW by Thu night). | |||||||||||||||||
Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | |  |  | |  |  | | | |  | | | |
some clouds | cloudy | heavy snow | snow shwrs | some clouds | cloudy | some clouds | light snow | light snow | light snow | mod. rain | some clouds | some clouds | some clouds | some clouds | clear | some clouds | some clouds | |
Cloud base (m) | 3150 | 6700 | 600 | 750 | 950 | 2150 | 2500 | 650 | 650 | 650 | 5750 | 6050 | 6900 | 8300 | 8850 | 8650 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 14 | 2 | — | — | — | 1 | 4 | 4 | — | — | — | — | — | — | — | — |
mm | — | — | 2 | — | — | — | — | — | — | 3 | 7 | — | — | — | — | — | — | — |
max °C | 8 | 7 | 3 | -2 | -2 | 1 | 1 | 1 | 1 | 3 | 5 | 9 | 9 | 10 | 12 | 11 | 9 | 8 |
min °C | 8 | 7 | -2 | -2 | -3 | -1 | 0 | 0 | 1 | 1 | 4 | 6 | 9 | 10 | 11 | 10 | 9 | 7 |
chill °C | 5 | 2 | -12 | -11 | -9 | -3 | -5 | -5 | -4 | -4 | -1 | 2 | 6 | 8 | 9 | 8 | 6 | 4 |
Freezing level m | 2950 | 2900 | 1600 | 1500 | 1400 | 1750 | 1900 | 2050 | 2000 | 2150 | 2800 | 3300 | 3400 | 3450 | 3650 | 3500 | 3250 | 2850 |
 | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — | — | 4:32 | — | — | 4:31 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 2mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 8°C on Sat morning, min -3°C on Sun afternoon). Winds decreasing (gales from the SW on Sat night, calm by Sun night).
Mount Index Weather (Days 3-6):
A dusting of snow giving way to moderate rain (total 10mm) heaviest on Tue afternoon. Very mild (max 12°C on Wed night, min 1°C on Tue morning). Winds increasing (light winds from the SSW on Wed night, fresh winds from the SSW 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
BUOY-EBSW1 | |||||
Seattl / oeing Airport | | ||||
| |||||
SHIP8520 | |||||
SHIP1847 |
* 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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