– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 am Tue 06 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Tue 06 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Tue 06 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryA heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -4°C on Tue morning, min -10°C on Wed night). Winds decreasing (near gales from the WSW on Tue morning, light winds from the WNW by Thu night). | Days 4–6 Weather SummaryA light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 4°C on Sat morning, min -5°C on Fri morning). Winds increasing (light winds from the W on Fri afternoon, strong winds from the SW by Sat night). | |||||||||||||||||
Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | |  |  | |  | |  |  | | | | |
mod. snow | heavy snow | heavy snow | mod. snow | mod. snow | heavy snow | mod. snow | mod. snow | light snow | cloudy | cloudy | some clouds | cloudy | some clouds | mod. snow | cloudy | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
7 | 13 | 25 | 9 | 6 | 29 | 7 | 6 | 3 | — | — | — | — | — | 6 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -5 | -6 | -8 | -8 | -8 | -8 | -6 | -5 | -5 | 1 | 3 | 4 | 4 | 1 | -2 | -1 | 1 |
min °C | -5 | -5 | -8 | -8 | -8 | -10 | -9 | -7 | -6 | -5 | -2 | 2 | 4 | 3 | -2 | -2 | -2 | 1 |
-15 | -14 | -17 | -17 | -17 | -21 | -19 | -16 | -13 | -11 | -6 | -2 | 0 | -2 | -10 | -8 | -7 | -4 | |
750 | 950 | 700 | 700 | 650 | 500 | 500 | 750 | 850 | 950 | 1200 | 2300 | 2400 | 2400 | 1300 | 1400 | 1400 | 2000 | |
Cloud base (m) | 600 | 550 | 600 | 600 | 600 | 600 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 2600 | 700 | 700 | 1950 |
 | 7:54 | — | — | 7:54 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — |
 | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — | — | 4:32 | — | — | 4:35 | — | — | 4:36 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -4°C on Tue morning, min -10°C on Wed night). Winds decreasing (near gales from the WSW on Tue morning, light winds from the WNW by Thu night).
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Sat night. Freeze-thaw conditions (max 4°C on Sat morning, min -5°C on Fri morning). Winds increasing (light winds from the W on Fri afternoon, strong winds from the SW by Sat 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 |
|---|---|---|---|---|---|
 | |||||
SHIP5164 | |||||
| |||||
SHIP6402 | |||||
SHIP7182 | |||||
SHIP5582 | |||||
SHIP4898 | |||||
SHIP3609 |
* 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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