– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Sun 15 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 15 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 15 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA light covering of new snow mostly falling on Sun night will be washed away by heavy rain (total 73mm) on Wed morning. Freeze-thaw conditions (max 7°C on Tue afternoon, min 0°C on Sun afternoon). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 86mm), heaviest during Wed afternoon. Freeze-thaw conditions (max 7°C on Wed afternoon, min -2°C on Sat morning). Wind will be generally light. | ||||||||||||||||
Sun 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  | | | | | | | | | |
light snow | light snow | mod. rain | light rain | light rain | light rain | light rain | heavy rain | heavy rain | heavy rain | heavy rain | light rain | mod. rain | heavy rain | heavy rain | mod. rain | light rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
1 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | 8 | 7 | 4 | 2 | 4 | 1.1 | 28 | 18 | 16 | 14 | 5 | 5 | 25 | 11 | 7 | 1.9 | |
max °C | 1 | 3 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 4 |
min °C | 0 | 1 | 4 | 5 | 4 | 4 | 7 | 7 | 6 | 7 | 6 | 7 | 6 | 7 | 6 | 5 | -1 |
-4 | -2 | 0 | 2 | 0 | 1 | 4 | 5 | 3 | 4 | 2 | 4 | 2 | 3 | 2 | 1 | -4 | |
1050 | 1750 | 3100 | 2700 | 2550 | 2450 | 2500 | 2700 | 2450 | 2600 | 2600 | 2500 | 2900 | 2500 | 2000 | 1850 | 1150 | |
Cloud base (m) | 950 | 650 | 650 | 650 | 850 | 650 | 650 | 600 | 600 | 600 | 600 | 650 | 650 | 600 | 650 | 600 | 650 |
 | — | — | 7:18 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — |
 | 7:10 | — | — | 7:12 | — | — | 7:14 | — | — | 7:15 | — | — | 7:16 | — | — | 7:17 | — |
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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 Sun night will be washed away by heavy rain (total 73mm) on Wed morning. Freeze-thaw conditions (max 7°C on Tue afternoon, min 0°C on Sun afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Heavy rain (total 86mm), heaviest during Wed afternoon. Freeze-thaw conditions (max 7°C on Wed afternoon, min -2°C on Sat morning). Wind will be generally light.
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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