– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Mon 11 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Mon 11 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 11 May Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 37mm), heaviest during Wed night. Warm (max 22°C on Tue afternoon, min 3°C on Wed afternoon). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 15mm), heaviest on Fri afternoon giving way to a moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 5°C on Sat afternoon, min 0°C on Fri night). Winds decreasing (fresh winds from the SW on Fri afternoon, calm by Sat night). | |||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  |  |  | | | | |  |  |  | | | |
clear | clear | clear | some clouds | clear | rain shwrs | light rain | heavy rain | heavy rain | light rain | light rain | rain shwrs | light rain | mod. rain | mod. snow | rain shwrs | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — | |
— | — | — | — | — | 0.2 | 0.7 | 11 | 25 | 3 | 0.8 | 0.1 | 1.6 | 7 | — | 0.5 | 0.8 | 0.1 | |
max °C | 11 | 15 | 14 | 18 | 22 | 17 | 7 | 4 | 5 | 3 | 4 | 4 | 3 | 4 | 1 | 2 | 5 | 3 |
min °C | 7 | 14 | 13 | 15 | 19 | 8 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 0 | 1 | 4 | 1 |
6 | 14 | 13 | 14 | 19 | 7 | 2 | 0 | 0 | -1 | 0 | 1 | 1 | -2 | -3 | -1 | 2 | 1 | |
3200 | 3400 | 3700 | 3850 | 3700 | 3400 | 1800 | 1700 | 1650 | 1400 | 1500 | 1500 | 1550 | 1500 | 1100 | 1250 | 1650 | 1400 | |
Cloud base (m) | 9100 | 8200 | 8750 | 4350 | 1750 | 600 | 600 | 650 | 650 | 800 | 900 | 650 | 650 | 650 | 900 | 800 | ||
 | 5:33 | — | — | 5:31 | — | — | 5:31 | — | — | 5:30 | — | — | 5:28 | — | — | 5:26 | — | — |
 | — | — | 8:31 | — | — | 8:32 | — | — | 8:34 | — | — | 8:36 | — | — | 8:37 | — | — | 8:37 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 37mm), heaviest during Wed night. Warm (max 22°C on Tue afternoon, min 3°C on Wed afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 15mm), heaviest on Fri afternoon giving way to a moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 5°C on Sat afternoon, min 0°C on Fri night). Winds decreasing (fresh winds from the SW on Fri afternoon, calm by Sat night).
This table gives the weather forecast for Mount Index at the specific elevation of 1000 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.
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