– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Thu 02 Apr Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Thu 02 Apr Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 02 Apr Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 9°C on Sun afternoon, min -4°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryMild with light rain (total 3mm) on Mon afternoon Becoming colder with a light covering of snow, mostly falling on Tue morning. Freeze-thaw conditions (max 9°C on Sun night, min -9°C on Tue morning). Winds increasing (calm on Sun night, strong winds from the WSW by Mon night). | ||||||||||||||||||
Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  | | |  |  | |  |  |  | |  | | | | |
light snow | some clouds | some clouds | some clouds | some clouds | clear | some clouds | some clouds | cloudy | cloudy | some clouds | risk tstorm | snow shwrs | snow shwrs | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
4 | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | 1.7 | 0.9 | — | — | — | — | — | — | |
max °C | -4 | -3 | -1 | 0 | 2 | 5 | 8 | 8 | 9 | 9 | 7 | 6 | 4 | -7 | -4 | -3 | -4 | -2 | -2 |
min °C | -4 | -4 | -2 | -1 | 1 | 3 | 5 | 8 | 8 | 8 | 6 | 5 | -7 | -9 | -5 | -4 | -4 | -2 | -3 |
-10 | -8 | -5 | -4 | -2 | 3 | 5 | 8 | 7 | 6 | 3 | 0 | -16 | -17 | -12 | -8 | -8 | -5 | -6 | |
1050 | 1250 | 1650 | 1800 | 2250 | 2700 | 3000 | 3050 | 3100 | 3000 | 2750 | 2600 | 1250 | 750 | 1200 | 850 | 1200 | 1500 | 1350 | |
Cloud base (m) | 650 | 750 | 1000 | 1000 | 7000 | 7950 | 6050 | 6550 | 6800 | 6600 | 6500 | 2000 | 650 | 650 | 750 | 950 | 750 | 1950 | 900 |
 | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — |
 | — | — | 7:37 | — | — | 7:39 | — | — | 7:40 | — | — | 7:43 | — | — | 7:44 | — | — | 7:45 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A dusting of new snow. Freeze-thaw conditions (max 9°C on Sun afternoon, min -4°C on Thu night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mild with light rain (total 3mm) on Mon afternoon Becoming colder with a light covering of snow, mostly falling on Tue morning. Freeze-thaw conditions (max 9°C on Sun night, min -9°C on Tue morning). Winds increasing (calm on Sun night, strong winds from the WSW by Mon 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
 | |||||
Seattl / oeing Airport | | ||||
SHIP9196 | |||||
SHIP6745 | |||||
SHIP4491 |
* 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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