– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Mon 23 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Mon 23 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 23 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 5mm) on Tue morning. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 2°C on Tue morning, min -10°C on Wed night). Winds increasing (light winds from the SW on Mon afternoon, near gales from the SW by Tue afternoon). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 3°C on Fri night, min -8°C on Thu afternoon). Winds increasing (calm on Thu night, fresh winds from the SSW by Sun morning). | ||||||||||||||||
Mon 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  | |  |  |  |  | | | |  | |
cloudy | cloudy | light snow | mod. snow | mod. snow | mod. snow | mod. snow | heavy snow | light snow | snow shwrs | clear | clear | some clouds | cloudy | cloudy | some clouds | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | 1 | 6 | 6 | 6 | 9 | 15 | 4 | 2 | — | — | — | — | — | — | — | |
— | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 1 | 2 | 1 | -2 | -7 | -7 | -8 | -9 | -7 | -3 | -1 | 1 | 3 | 3 | 2 | 3 |
min °C | 0 | -1 | 0 | 1 | -5 | -7 | -8 | -10 | -9 | -8 | -6 | -2 | -1 | 2 | 3 | 2 | 3 |
-5 | -8 | -8 | -7 | -14 | -17 | -18 | -19 | -17 | -14 | -10 | -5 | -4 | 0 | 0 | -2 | -2 | |
1900 | 1800 | 2500 | 1900 | 1150 | 950 | 750 | 500 | 700 | 950 | 0 | 1550 | 2100 | 2500 | 2250 | 2200 | 2300 | |
Cloud base (m) | 2650 | 650 | 600 | 600 | 600 | 700 | 650 | 700 | 700 | 750 | 650 | 900 | 650 | 1950 | 3050 | 3050 | |
 | — | — | 7:01 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — |
 | 7:22 | — | — | 7:23 | — | — | 7:24 | — | — | 7:27 | — | — | 7:28 | — | — | 7:30 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Light rain (total 5mm) on Tue morning. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 2°C on Tue morning, min -10°C on Wed night). Winds increasing (light winds from the SW on Mon afternoon, near gales from the SW by Tue afternoon).
Mount Index Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 3°C on Fri night, min -8°C on Thu afternoon). Winds increasing (calm on Thu night, fresh winds from the SSW by Sun 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 |
|---|---|---|---|---|---|
 | |||||
SHIP5968 | |||||
 | |||||
SHIP8929 | |||||
SHIP9164 | |||||
SHIP8244 | |||||
SHIP9428 | |||||
SHIP4857 |
* 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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