– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 10 pm Thu 12 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Thu 12 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 12 Mar Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max 0°C on Sun afternoon, min -5°C on Sat morning). Wind will be generally light. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Sun night will be washed away by heavy rain (total 46mm) on Mon night. Freeze-thaw conditions (max 7°C on Wed afternoon, min 0°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  |  | | |  |  |  |  | |  | | |  | |
heavy snow | mod. snow | mod. snow | mod. snow | mod. snow | light snow | light snow | some clouds | light snow | mod. snow | mod. rain | heavy rain | mod. rain | light rain | light rain | light rain | mod. rain | mod. rain | heavy rain | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
19 | 9 | 8 | 10 | 6 | 3 | 2 | — | 1 | 6 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | 6 | 10 | 9 | 4 | 1.8 | 1.6 | 8 | 6 | 14 | |
max °C | -2 | -1 | -1 | -1 | -5 | -4 | -4 | -1 | 0 | 2 | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 7 |
min °C | -3 | -2 | -1 | -4 | -5 | -4 | -5 | -4 | -1 | 0 | 3 | 5 | 3 | 3 | 5 | 4 | 6 | 6 | 6 |
-7 | -2 | -3 | -11 | -12 | -9 | -5 | -4 | -4 | -4 | -1 | 1 | -1 | 0 | 2 | 1 | 4 | 2 | 3 | |
600 | 850 | 800 | 450 | 350 | 500 | 0 | 900 | 900 | 1350 | 2900 | 2200 | 2300 | 2200 | 2250 | 2200 | 2500 | 2300 | 3000 | |
Cloud base (m) | 600 | 600 | 600 | 600 | 650 | 700 | 650 | 2050 | 950 | 650 | 650 | 650 | 800 | 600 | 650 | 650 | 650 | 700 | 600 |
 | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — | 7:15 | — | — | 7:13 | — | — |
 | — | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — | — | 7:12 | — | — | 7:14 | — | — | 7:15 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max 0°C on Sun afternoon, min -5°C on Sat morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
A light covering of new snow mostly falling on Sun night will be washed away by heavy rain (total 46mm) on Mon night. Freeze-thaw conditions (max 7°C on Wed afternoon, min 0°C on Sun night). 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 |
|---|---|---|---|---|---|
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* 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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