– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Tue 19 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 19 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 19 May Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Mild temperatures (max 9°C on Thu afternoon, min 1°C on Tue afternoon). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 9°C on Fri afternoon, min 0°C on Sun night). Winds increasing (light winds from the WSW on Fri night, fresh winds from the SW by Sun night). | ||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  | |  | | | | | | | | |  | |
light rain | some clouds | some clouds | some clouds | some clouds | clear | some clouds | clear | clear | clear | some clouds | clear | clear | some clouds | some clouds | some clouds | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
0.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.2 | |
max °C | 2 | 2 | 2 | 5 | 7 | 8 | 9 | 8 | 7 | 9 | 9 | 6 | 8 | 7 | 5 | 6 | 5 |
min °C | 1 | 2 | 1 | 5 | 5 | 8 | 9 | 7 | 6 | 8 | 6 | 5 | 7 | 5 | 4 | 6 | 0 |
-3 | -2 | 1 | 4 | 3 | 8 | 8 | 5 | 5 | 7 | 4 | 2 | 4 | 2 | 0 | 3 | -7 | |
2200 | 2550 | 2400 | 2950 | 3050 | 2950 | 3150 | 3050 | 3100 | 3350 | 3450 | 3150 | 3200 | 3250 | 3000 | 2750 | 2400 | |
Cloud base (m) | 800 | 1900 | 950 | 1900 | 7050 | 8550 | 5200 | 8800 | 9350 | 9150 | 6850 | 700 | 5800 | 2650 | 2750 | ||
 | — | — | 5:22 | — | — | 5:20 | — | — | 5:20 | — | — | 5:18 | — | — | 5:18 | — | — |
 | — | 8:42 | — | — | 8:43 | — | — | 8:44 | — | — | 8:45 | — | — | 8:46 | — | — | 8:47 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Mild temperatures (max 9°C on Thu afternoon, min 1°C on Tue afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 9°C on Fri afternoon, min 0°C on Sun night). Winds increasing (light winds from the WSW on Fri night, fresh winds from the SW by Sun 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.
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