– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Thu 12 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Thu 12 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Thu 12 Feb 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 Fri night. Temperatures will be below freezing (max -2°C on Thu night, min -7°C on Fri night). Winds decreasing (fresh winds from the SW on Fri night, calm by Sat afternoon). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -3°C on Sun night, min -8°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | | | | | | |  | | | | |
cloudy | cloudy | light snow | heavy snow | light snow | some clouds | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | heavy snow | light snow | some clouds | light snow | light snow | light snow | heavy snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | 3 | 13 | 1 | — | — | — | — | — | — | — | 18 | 3 | — | 3 | 4 | 2 | 14 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | -3 | -4 | -4 | -7 | -6 | -5 | -5 | -4 | -3 | -3 | -3 | -3 | -6 | -6 | -6 | -8 | -7 | -8 |
min °C | -4 | -4 | -4 | -7 | -7 | -6 | -5 | -5 | -4 | -4 | -3 | -3 | -6 | -6 | -6 | -8 | -8 | -7 | -9 |
-10 | -10 | -10 | -15 | -14 | -9 | -8 | -9 | -8 | -10 | -10 | -8 | -13 | -12 | -9 | -16 | -15 | -13 | -17 | |
1350 | 1250 | 1200 | 1050 | 850 | 950 | 600 | 950 | 1150 | 1250 | 1150 | 1250 | 1050 | 750 | 950 | 700 | 600 | 800 | 550 | |
Cloud base (m) | 2300 | 700 | 600 | 600 | 650 | 700 | 2100 | 1650 | 650 | 550 | 600 | 600 | 500 | 550 | 600 | 600 | 600 | 600 | 600 |
 | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — |
 | — | — | 5:25 | — | — | 5:27 | — | — | 5:29 | — | — | 5:30 | — | — | 5:31 | — | — | 5:34 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A moderate fall of snow, heaviest on Fri night. Temperatures will be below freezing (max -2°C on Thu night, min -7°C on Fri night). Winds decreasing (fresh winds from the SW on Fri night, calm by Sat afternoon).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -3°C on Sun night, min -8°C on Tue night). Wind will be generally light.
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 |
|---|---|---|---|---|---|
 | |||||
SHIP7842 | |||||
| |||||
SHIP9267 | |||||
SHIP3738 | |||||
SHIP6701 | |||||
SHIP4239 | |||||
SHIP9810 |
* 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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