– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Fri 30 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Fri 30 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Fri 30 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMild at first with light rain (total 3mm) on Sat morning followed by colder weather and light fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 5°C on Sat afternoon, min -3°C on Sun night). Winds decreasing (strong winds from the WSW on Fri afternoon, light winds from the SSW by Fri night). | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 10°C on Wed morning, min 0°C on Mon afternoon). Winds decreasing (fresh winds from the SW on Mon afternoon, calm by Thu morning). | ||||||||||||||||
Fri 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | | | | | |  | |  | |
light snow | light rain | light rain | some clouds | some clouds | mod. snow | light snow | snow shwrs | cloudy | light snow | light rain | some clouds | some clouds | some clouds | clear | clear | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
4 | — | — | — | — | 8 | 5 | 1 | — | 1 | — | — | — | — | — | — | — | |
— | 0.1 | 3 | — | — | — | — | — | — | — | 0.1 | — | — | — | — | — | — | |
max °C | 2 | 4 | 4 | 5 | 4 | -2 | -2 | -1 | -1 | 1 | 2 | 5 | 7 | 9 | 10 | 9 | 9 |
min °C | 1 | 2 | 4 | 5 | 0 | -2 | -2 | -3 | -1 | 0 | 1 | 3 | 6 | 7 | 10 | 8 | 8 |
-6 | -3 | 0 | 1 | -6 | -8 | -10 | -10 | -6 | -7 | -4 | 0 | 3 | 4 | 9 | 5 | 6 | |
2100 | 2200 | 2550 | 2500 | 2250 | 1500 | 1550 | 1400 | 1650 | 1850 | 2050 | 2550 | 2850 | 3250 | 3450 | 3300 | 3350 | |
Cloud base (m) | 650 | 650 | 950 | 650 | 750 | 1500 | 650 | 850 | 2650 | 850 | 650 | 800 | 2550 | 5200 | 8950 | ||
 | — | — | 7:33 | — | — | 7:33 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — |
 | 5:04 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:12 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mild at first with light rain (total 3mm) on Sat morning followed by colder weather and light fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 5°C on Sat afternoon, min -3°C on Sun night). Winds decreasing (strong winds from the WSW on Fri afternoon, light winds from the SSW by Fri night).
Mount Index Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 10°C on Wed morning, min 0°C on Mon afternoon). Winds decreasing (fresh winds from the SW on Mon afternoon, calm by Thu 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 |
|---|---|---|---|---|---|
 | |||||
SHIP9064 | |||||
| |||||
SHIP4443 | |||||
SHIP8720 | |||||
SHIP8869 | |||||
SHIP2539 | |||||
|
* 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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