– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Fri 13 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Fri 13 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Fri 13 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Fri night. Becoming milder with moderate rain (total 18mm) on Mon morning. Freeze-thaw conditions (max 6°C on Mon afternoon, min -6°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 72mm), heaviest during Thu afternoon. Mild temperatures (max 7°C on Thu morning, min 3°C on Tue morning). Wind will be generally light. | ||||||||||||||||||
Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  |  |  |  |  | |  | | | | | | | |
heavy snow | light snow | light snow | some clouds | some clouds | cloudy | light snow | mod. rain | heavy rain | light rain | light rain | heavy rain | heavy rain | light rain | mod. rain | heavy rain | light rain | heavy rain | heavy rain | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
11 | 3 | 2 | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | 0.7 | 7 | 10 | 1.4 | 3 | 13 | 15 | 1.9 | 9 | 15 | 4 | 11 | 27 | |
max °C | -1 | -5 | -3 | -5 | 0 | 1 | 2 | 4 | 6 | 5 | 5 | 4 | 6 | 5 | 6 | 6 | 7 | 7 | 8 |
min °C | -4 | -5 | -4 | -6 | -3 | 0 | 0 | 3 | 5 | 5 | 3 | 4 | 5 | 5 | 5 | 5 | 7 | 7 | 7 |
-10 | -11 | -8 | -6 | -3 | -2 | -3 | 0 | 2 | 2 | -1 | 2 | 3 | 2 | 1 | 1 | 4 | 4 | 4 | |
500 | 400 | 550 | 0 | 950 | 950 | 1550 | 3100 | 2550 | 2200 | 2000 | 2250 | 2400 | 2500 | 2700 | 2750 | 3050 | 3150 | 2900 | |
Cloud base (m) | 600 | 650 | 650 | 700 | 2150 | 850 | 650 | 650 | 600 | 850 | 850 | 600 | 600 | 650 | 600 | 650 | 650 | 600 | 600 |
 | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — |
 | — | — | 7:08 | — | — | 7:10 | — | — | 7:12 | — | — | 7:14 | — | — | 7:15 | — | — | 7:16 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Fri night. Becoming milder with moderate rain (total 18mm) on Mon morning. Freeze-thaw conditions (max 6°C on Mon afternoon, min -6°C on Sat night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Heavy rain (total 72mm), heaviest during Thu afternoon. Mild temperatures (max 7°C on Thu morning, min 3°C on Tue 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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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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