– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 3 am Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 17mm), heaviest on Fri night giving way to a moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 7°C on Sat morning, min -2°C on Thu morning). Winds increasing (light winds from the WSW on Thu afternoon, gales from the WSW by Sat night). | Days 4–6 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 8°C on Tue night, min -3°C on Sun morning). Mainly fresh winds. | |||||||||||||||||
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  |  | |  |  | |  | | | | |
snow shwrs | some clouds | some clouds | light rain | mod. rain | heavy rain | some clouds | some clouds | heavy snow | light snow | light snow | cloudy | clear | some clouds | clear | some clouds | clear | some clouds | |
Cloud base (m) | 1550 | 1000 | 2900 | 1700 | 1550 | 600 | 900 | 700 | 700 | 750 | 700 | 4350 | 2200 | 2650 | 5400 | 6850 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | 1 | — | — | — | — | — | — | — | 11 | 2 | 1 | — | — | — | — | — | — | — |
mm | — | — | — | 0.9 | 6 | 10 | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | -1 | 0 | 2 | 4 | 5 | 6 | 7 | 7 | 7 | -3 | -2 | 1 | 1 | 2 | 5 | 6 | 7 | 8 |
min °C | -2 | -1 | 0 | 2 | 4 | 4 | 7 | 7 | -2 | -3 | -3 | -1 | 1 | 1 | 3 | 5 | 6 | 8 |
chill °C | -7 | -6 | -5 | -4 | -1 | -1 | 4 | 3 | -12 | -11 | -7 | -3 | -3 | -2 | 1 | 2 | 3 | 5 |
Freezing level m | 1550 | 1750 | 2400 | 2450 | 2750 | 3000 | 3100 | 2800 | 1700 | 1350 | 1300 | 1900 | 2050 | 2050 | 2550 | 2800 | 3050 | 3250 |
 | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — |
 | — | 4:42 | — | — | 4:39 | — | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 17mm), heaviest on Fri night giving way to a moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 7°C on Sat morning, min -2°C on Thu morning). Winds increasing (light winds from the WSW on Thu afternoon, gales from the WSW by Sat night).
Mount Index Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 8°C on Tue night, min -3°C on Sun morning). Mainly fresh winds.
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.
* 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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