– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Sat 21 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sat 21 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sat 21 Feb Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -1°C on Tue morning, min -5°C on Mon night). Winds decreasing (fresh winds from the SSW on Sun night, light winds from the SW by Mon night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -2°C on Tue afternoon, min -7°C on Tue night). Winds increasing (light winds from the W on Wed night, strong winds from the WSW by Fri morning). | ||||||||||||||||
Sat 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | | |  | | |  |  | | | |
some clouds | cloudy | light snow | light snow | mod. snow | mod. snow | light snow | light snow | light snow | mod. snow | heavy snow | light snow | some clouds | some clouds | clear | some clouds | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | 2 | 4 | 10 | 7 | 3 | 1 | 1 | 9 | 21 | 2 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -3 | -2 | -2 | -2 | -2 | -4 | -4 | -2 | -1 | -2 | -7 | -6 | -5 | -5 | -6 | -5 | -5 |
min °C | -4 | -2 | -4 | -4 | -3 | -4 | -4 | -5 | -2 | -4 | -7 | -7 | -6 | -6 | -6 | -6 | -6 |
-11 | -9 | -9 | -10 | -11 | -10 | -9 | -10 | -7 | -12 | -15 | -14 | -13 | -12 | -12 | -13 | -14 | |
1100 | 1150 | 1350 | 1150 | 1350 | 1100 | 1050 | 1000 | 1500 | 1500 | 650 | 800 | 950 | 750 | 800 | 900 | 0 | |
Cloud base (m) | 1600 | 1600 | 750 | 650 | 650 | 650 | 600 | 600 | 1400 | 600 | 600 | 650 | 650 | 650 | 650 | 650 | 700 |
 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — |
 | 5:37 | — | — | 5:39 | — | — | 5:42 | — | — | 5:43 | — | — | 5:45 | — | — | 5:45 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -1°C on Tue morning, min -5°C on Mon night). Winds decreasing (fresh winds from the SSW on Sun night, light winds from the SW by Mon night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -2°C on Tue afternoon, min -7°C on Tue night). Winds increasing (light winds from the W on Wed night, strong winds from the WSW by Fri morning).
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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
 | |||||
Seattl / oeing Airport | | ||||
SHIP7523 | |||||
SHIP3058 | |||||
SHIP3581 | |||||
SHIP8240 |
* 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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