– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Fri 03 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 03 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 03 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 9°C on Sun afternoon, min -2°C on Fri afternoon). Wind will be generally light. | Days 5–7 Weather SummaryDrizzle at first, then turning colder with dusting of snow on Mon night. Freeze-thaw conditions (max 6°C on Mon afternoon, min -8°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Wed night). | ||||||||||||||||
Fri 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | | | |  |  |  | | | | |  | |
some clouds | some clouds | clear | clear | some clouds | cloudy | cloudy | some clouds | clear | rain shwrs | snow shwrs | light snow | some clouds | some clouds | clear | some clouds | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | 0.7 | 0.3 | — | — | — | — | — | — | |
max °C | -1 | 0 | 1 | 4 | 7 | 8 | 9 | 8 | 7 | 6 | 3 | -7 | -4 | -4 | -4 | -1 | -1 |
min °C | -2 | -1 | 1 | 3 | 5 | 8 | 8 | 8 | 6 | 5 | -6 | -8 | -5 | -5 | -5 | -2 | -2 |
-5 | -4 | -2 | 3 | 5 | 8 | 7 | 8 | 3 | 1 | -14 | -16 | -12 | -10 | -7 | -2 | -2 | |
1650 | 1800 | 2250 | 2650 | 3000 | 3050 | 3100 | 3000 | 2750 | 2600 | 1300 | 800 | 1300 | 900 | 1250 | 1650 | 1600 | |
Cloud base (m) | 1650 | 850 | 6950 | 6750 | 6200 | 6500 | 6750 | 5900 | 5550 | 1900 | 650 | 650 | 1500 | 900 | 750 | 1950 | 1500 |
 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — |
 | 7:37 | — | — | 7:39 | — | — | 7:40 | — | — | 7:43 | — | — | 7:44 | — | — | 7:45 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Freeze-thaw conditions (max 9°C on Sun afternoon, min -2°C on Fri afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Drizzle at first, then turning colder with dusting of snow on Mon night. Freeze-thaw conditions (max 6°C on Mon afternoon, min -8°C on Tue morning). Winds decreasing (strong winds from the WSW on Mon night, calm by Wed night).
This table gives the weather forecast for Mount Index at the specific elevation of 1832 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 |  | ||||
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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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