– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 9 am Wed 04 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Wed 04 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 Wed night. Becoming milder with light rain (total 8mm) on Fri afternoon. Freeze-thaw conditions (max 6°C on Fri night, min -2°C on Thu morning). Winds increasing (light winds from the S on Wed morning, fresh winds from the SW by Fri morning). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 8°C on Sat morning, min -4°C on Sun afternoon). Winds decreasing (severe gales from the SW on Sat night, calm by Sun night). | |||||||||||||||||
Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  |  | |  | | | | | | | |
clear | cloudy | mod. snow | light snow | clear | some clouds | light rain | light rain | light rain | some clouds | clear | snow shwrs | light snow | light snow | some clouds | some clouds | clear | some clouds | |
Cloud base (m) | 9300 | 2800 | 650 | 700 | 800 | 2050 | 900 | 650 | 1800 | 7800 | 3000 | 750 | 800 | 700 | 5650 | 4350 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | 6 | 2 | — | — | — | — | — | — | — | 6 | 4 | 1 | — | — | — | — |
mm | — | — | — | — | — | — | 1.9 | 4 | 3 | — | — | — | — | — | — | — | — | — |
max °C | 4 | 3 | 0 | -1 | -1 | 3 | 3 | 4 | 6 | 8 | 8 | 8 | -3 | -3 | 1 | 1 | 2 | 5 |
min °C | 3 | 0 | -1 | -2 | -1 | 1 | 2 | 4 | 4 | 7 | 8 | -2 | -3 | -4 | -2 | 1 | 2 | 3 |
chill °C | 0 | -5 | -7 | -7 | -5 | -2 | -4 | -1 | -1 | 4 | 5 | -12 | -12 | -10 | -4 | -2 | -1 | 0 |
Freezing level m | 2700 | 2300 | 1700 | 1550 | 1600 | 2500 | 2300 | 2900 | 2800 | 3050 | 3050 | 2050 | 1400 | 1250 | 1600 | 2100 | 2200 | 2500 |
 | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — |
 | — | 4:43 | — | — | 4:42 | — | — | 4:39 | — | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — |
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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 Wed night. Becoming milder with light rain (total 8mm) on Fri afternoon. Freeze-thaw conditions (max 6°C on Fri night, min -2°C on Thu morning). Winds increasing (light winds from the S on Wed morning, fresh winds from the SW by Fri morning).
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 8°C on Sat morning, min -4°C on Sun afternoon). Winds decreasing (severe gales from the SW on Sat night, calm by Sun 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 |
|---|---|---|---|---|---|
 | |||||
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BUOY-EBSW1 | |||||
Seattl / oeing Airport | | ||||
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* 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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