– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Fri 27 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Fri 27 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Fri 27 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 2°C on Sat afternoon, min -4°C on Fri morning). Winds decreasing (fresh winds from the W on Fri afternoon, calm by Sat night). | Days 4–6 Weather SummaryA heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 2°C on Mon night, min -6°C on Wed night). Winds increasing (light winds from the WSW on Mon night, fresh winds from the WSW by Wed night). | |||||||||||||||||
Friday 27 | Saturday 28 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | | | | |  |  |  | |  | |
some clouds | cloudy | some clouds | clear | some clouds | clear | clear | clear | clear | clear | clear | some clouds | cloudy | light snow | heavy snow | heavy snow | light snow | mod. snow | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 16 | 17 | 4 | 8 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -3 | -2 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | -1 | -2 | -4 | -4 | -4 |
min °C | -4 | -3 | -3 | 0 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | -2 | -3 | -4 | -4 | -6 |
-11 | -10 | -10 | -3 | -3 | 1 | 0 | -2 | -4 | -4 | -5 | -4 | -6 | -9 | -10 | -11 | -10 | -14 | |
1050 | 1200 | 1000 | 1850 | 2250 | 2350 | 2250 | 2250 | 2150 | 2050 | 2000 | 2050 | 2200 | 1600 | 1400 | 1150 | 1250 | 1050 | |
Cloud base (m) | 650 | 750 | 800 | 600 | 700 | 7850 | 8200 | 8550 | 7900 | 8100 | 5700 | 1550 | 600 | 600 | 650 | 650 | ||
 | 6:50 | — | — | 6:48 | — | — | 6:46 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — |
 | — | 5:47 | — | — | 5:49 | — | — | 5:51 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Freeze-thaw conditions (max 2°C on Sat afternoon, min -4°C on Fri morning). Winds decreasing (fresh winds from the W on Fri afternoon, calm by Sat night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 2°C on Mon night, min -6°C on Wed night). Winds increasing (light winds from the WSW on Mon night, fresh winds from the WSW 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 |  | ||||
SHIP3005 | |||||
SHIP1046 | |||||
SHIP4806 |
* 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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