– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 am Sun 22 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Sun 22 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Sun 22 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 27mm), heaviest during Tue afternoon. Later becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 5°C on Mon afternoon, min -3°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the WSW by Tue night). | Days 4–6 Weather SummaryA moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 7°C on Fri afternoon, min -3°C on Wed morning). Wind will be generally light. | |||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  |  |  |  | |  |  | |  | | | | |
some clouds | some clouds | some clouds | clear | some clouds | light rain | light rain | heavy rain | light snow | light snow | light snow | mod. snow | snow shwrs | some clouds | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | 4 | 3 | 4 | 7 | 3 | — | — | — | — | — | |
— | — | — | — | — | 0.5 | 3 | 17 | 7 | — | — | — | — | — | — | — | — | — | |
max °C | 0 | 3 | 2 | 3 | 5 | 5 | 2 | 4 | 4 | -3 | -1 | -2 | -2 | 0 | 0 | 4 | 7 | 6 |
min °C | -1 | 3 | 1 | 2 | 5 | 3 | 2 | 3 | -3 | -3 | -2 | -3 | -3 | -1 | -2 | 1 | 6 | 5 |
-3 | 2 | 1 | 2 | 5 | 1 | -2 | -2 | -11 | -10 | -9 | -9 | -7 | -3 | -2 | -3 | 3 | 2 | |
1050 | 1400 | 1750 | 1450 | 1750 | 1850 | 1650 | 1700 | 950 | 650 | 800 | 600 | 750 | 1050 | 0 | 2150 | 3100 | 3250 | |
Cloud base (m) | 750 | 850 | 750 | 650 | 1800 | 2800 | 1800 | 600 | 600 | 650 | 650 | 650 | 700 | 850 | 650 | 5850 | 650 | |
 | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — |
 | — | 7:21 | — | — | 7:22 | — | — | 7:23 | — | — | 7:24 | — | — | 7:27 | — | — | 7:28 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Heavy rain (total 27mm), heaviest during Tue afternoon. Later becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 5°C on Mon afternoon, min -3°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the WSW by Tue night).
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Wed morning. Freeze-thaw conditions (max 7°C on Fri afternoon, min -3°C on Wed morning). Wind will be generally light.
This table gives the weather forecast for Mount Index at the specific elevation of 1000 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 |
|---|---|---|---|---|---|
 | |||||
SHIP4872 | |||||
| |||||
SHIP6923 | |||||
| |||||
SHIP9298 | |||||
 | |||||
BUOY-46120 |
* 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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