– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 am Sun 31 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sun 31 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 31 May Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Freeze-thaw conditions (max 13°C on Tue afternoon, min 0°C on Sun morning). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 11mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 8°C on Wed morning, min -2°C on Fri night). Wind will be generally light. | |||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | |  |  |  | |  |  | | |  | |
clear | clear | some clouds | cloudy | some clouds | cloudy | clear | cloudy | some clouds | light rain | mod. rain | light rain | cloudy | rain shwrs | rain shwrs | clear | some clouds | snow shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | |
— | — | — | — | — | — | — | — | — | 0.5 | 8 | 1.1 | — | 0.5 | 1 | — | — | — | |
max °C | 1 | 5 | 7 | 8 | 10 | 11 | 10 | 13 | 13 | 8 | 5 | 4 | 2 | 3 | 3 | 0 | 0 | -1 |
min °C | 0 | 4 | 5 | 7 | 10 | 10 | 9 | 13 | 10 | 6 | 5 | 2 | 2 | 2 | 1 | -1 | 0 | -2 |
-3 | 3 | 5 | 6 | 10 | 10 | 8 | 13 | 9 | 4 | 3 | -1 | -2 | -2 | -3 | -6 | -5 | -8 | |
2200 | 2800 | 2800 | 2900 | 3150 | 3050 | 3000 | 3250 | 3200 | 2950 | 2650 | 2250 | 2300 | 2500 | 2400 | 1800 | 1800 | 1450 | |
Cloud base (m) | 2100 | 3250 | 6750 | 2900 | 3050 | 3050 | 3200 | 9350 | 3150 | 750 | 900 | 650 | 650 | 750 | 750 | 900 | 600 | |
 | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — |
 | — | — | 8:54 | — | — | 8:55 | — | — | 8:57 | — | — | 8:58 | — | — | 8:59 | — | — | 9:00 |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Freeze-thaw conditions (max 13°C on Tue afternoon, min 0°C on Sun morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 11mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 8°C on Wed morning, min -2°C on Fri night). Wind will be generally light.
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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