– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Wed 04 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Wed 04 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 04 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA moderate fall of snow, heaviest on Wed afternoon. Turning milder with moderate rain (total 11mm), heaviest on Fri night. Freeze-thaw conditions (max 5°C on Sat morning, min -1°C on Thu morning). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 34mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Mon morning. Freeze-thaw conditions (max 5°C on Sat afternoon, min -5°C on Mon night). Winds increasing (light winds from the W on Sat afternoon, fresh winds from the WSW by Sun afternoon). | ||||||||||||||||
Wed 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | |  |  | | | |  | |  |  | | | |
light snow | light snow | light snow | cloudy | light snow | cloudy | light rain | heavy rain | light rain | light rain | heavy rain | heavy rain | light snow | mod. snow | heavy snow | heavy snow | mod. snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
5 | 5 | 3 | — | 1 | — | — | — | — | — | — | — | 3 | 10 | 11 | 11 | 9 | |
— | — | — | — | — | — | 0.1 | 10 | 1 | 1.1 | 16 | 12 | 5 | — | — | — | — | |
max °C | 2 | 2 | 0 | 0 | 1 | 3 | 3 | 4 | 5 | 5 | 5 | 5 | 3 | -1 | -3 | -3 | -4 |
min °C | 1 | 0 | -1 | 0 | 0 | 2 | 3 | 3 | 5 | 5 | 4 | 5 | 1 | -3 | -3 | -4 | -5 |
-3 | -4 | -5 | -4 | -3 | 1 | 2 | 0 | 3 | 2 | 0 | 0 | -4 | -9 | -9 | -11 | -10 | |
1200 | 1250 | 900 | 1000 | 1000 | 1300 | 1500 | 1800 | 2550 | 2250 | 2150 | 2000 | 1400 | 800 | 650 | 500 | 350 | |
Cloud base (m) | 600 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 600 | 600 | 600 | 600 | 600 | 650 |
 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 7:33 | — | — | 6:31 | — | — |
 | 5:54 | — | — | 5:57 | — | — | 5:58 | — | — | 6:00 | — | — | 7:00 | — | — | 6:02 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A moderate fall of snow, heaviest on Wed afternoon. Turning milder with moderate rain (total 11mm), heaviest on Fri night. Freeze-thaw conditions (max 5°C on Sat morning, min -1°C on Thu morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Heavy rain (total 34mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Mon morning. Freeze-thaw conditions (max 5°C on Sat afternoon, min -5°C on Mon night). Winds increasing (light winds from the W on Sat afternoon, fresh winds from the WSW 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport |  | ||||
SHIP8775 | |||||
SHIP3977 | |||||
SHIP8682 |
* 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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