– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Tue 03 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Tue 03 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 03 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 36mm), mostly on Tue night. Becoming colder with a light covering of snow ,mostly falling on Wed night. Freeze-thaw conditions (max 4°C on Tue afternoon, min -1°C on Thu morning). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 39mm) on Sun morning. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 5°C on Sat night, min -3°C on Sun night). Winds increasing (calm on Fri afternoon, fresh winds from the SW by Sun afternoon). | ||||||||||||||||
Tue 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | | |  | | |  |  | |  | |
mod. rain | heavy rain | light rain | rain shwrs | light snow | light snow | cloudy | cloudy | cloudy | rain shwrs | light rain | light rain | light rain | mod. rain | heavy rain | heavy rain | heavy snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | 4 | 3 | — | — | — | — | — | — | — | — | — | — | 17 | |
9 | 20 | 4 | 1.7 | — | — | — | — | — | 0.1 | 1.1 | 0.8 | 0.7 | 10 | 14 | 13 | — | |
max °C | 4 | 3 | 3 | 3 | 1 | 0 | 0 | 0 | 1 | 2 | 3 | 4 | 4 | 5 | 4 | 5 | 1 |
min °C | 4 | 2 | 3 | 2 | 0 | -1 | 0 | 0 | 0 | 1 | 2 | 4 | 4 | 4 | 4 | 4 | -3 |
0 | -2 | 0 | -3 | -5 | -4 | -4 | -3 | -2 | 1 | 2 | 2 | 2 | 1 | 0 | -2 | -8 | |
1600 | 1450 | 1400 | 1400 | 1050 | 800 | 1000 | 950 | 1050 | 1250 | 1450 | 2050 | 2200 | 2100 | 1950 | 1800 | 850 | |
Cloud base (m) | 600 | 600 | 600 | 750 | 650 | 650 | 650 | 650 | 650 | 750 | 700 | 650 | 650 | 650 | 600 | 600 | 600 |
 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 7:33 | — | — |
 | 5:53 | — | — | 5:54 | — | — | 5:57 | — | — | 5:58 | — | — | 6:00 | — | — | 7:00 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 36mm), mostly on Tue night. Becoming colder with a light covering of snow ,mostly falling on Wed night. Freeze-thaw conditions (max 4°C on Tue afternoon, min -1°C on Thu morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Heavy rain (total 39mm) on Sun morning. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 5°C on Sat night, min -3°C on Sun night). Winds increasing (calm on Fri afternoon, fresh winds from the SW by Sun afternoon).
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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
 | |||||
Seattl / oeing Airport | | ||||
SHIP7846 | |||||
SHIP8008 | |||||
SHIP4601 | |||||
SHIP1578 |
* 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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