– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Tue 17 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Tue 17 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Tue 17 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 139mm), heaviest during Tue night. Mild temperatures (max 8°C on Thu night, min 5°C on Tue morning). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 39mm), mostly on Fri afternoon. Becoming colder with a light covering of snow, mostly falling on Sat morning. Freeze-thaw conditions (max 8°C on Fri morning, min -4°C on Sat night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sun night). | |||||||||||||||||
Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | |  |  | |  |  | | | |
heavy rain | mod. rain | heavy rain | heavy rain | mod. rain | heavy rain | heavy rain | heavy rain | heavy rain | heavy rain | heavy rain | light snow | light snow | light snow | some clouds | cloudy | light snow | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 1 | — | — | 1 | — | |
11 | 7 | 37 | 20 | 6 | 12 | 16 | 13 | 17 | 14 | 19 | 7 | — | — | — | — | — | — | |
max °C | 6 | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 8 | 8 | 7 | 6 | -3 | -2 | -2 | -2 | -1 | 0 |
min °C | 5 | 7 | 7 | 7 | 6 | 5 | 7 | 7 | 7 | 8 | 7 | -2 | -3 | -2 | -4 | -3 | -1 | -2 |
2 | 4 | 5 | 3 | 3 | 2 | 4 | 4 | 4 | 5 | 3 | -6 | -9 | -6 | -6 | -6 | -4 | -4 | |
2600 | 2450 | 2600 | 2500 | 2550 | 2450 | 2650 | 2600 | 2700 | 2550 | 2250 | 1050 | 650 | 800 | 300 | 750 | 800 | 450 | |
Cloud base (m) | 650 | 600 | 600 | 650 | 600 | 700 | 650 | 650 | 600 | 600 | 600 | 650 | 650 | 650 | 650 | 750 | 650 | 650 |
 | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — |
 | — | 7:14 | — | — | 7:15 | — | — | 7:16 | — | — | 7:17 | — | — | 7:20 | — | — | 7:21 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 139mm), heaviest during Tue night. Mild temperatures (max 8°C on Thu night, min 5°C on Tue morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Heavy rain (total 39mm), mostly on Fri afternoon. Becoming colder with a light covering of snow, mostly falling on Sat morning. Freeze-thaw conditions (max 8°C on Fri morning, min -4°C on Sat night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sun 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.
| 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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