– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 4 pm Mon 09 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Mon 09 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Mon 09 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 Mon night. Becoming milder with moderate rain (total 20mm) on Wed night. Freeze-thaw conditions (max 4°C on Wed night, min -6°C on Tue morning). Winds increasing (light winds from the WSW on Tue morning, near gales from the WSW by Wed night). | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Thu night. Becoming milder with heavy rain (total 28mm) on Thu night. Freeze-thaw conditions (max 3°C on Fri morning, min -6°C on Sat morning). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sat night). | ||||||||||||||||
Mon 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | |  | | | | | | |  |  |  | |
light snow | heavy snow | light snow | light snow | mod. snow | mod. snow | light snow | light snow | mod. snow | mod. snow | heavy snow | light snow | mod. snow | mod. snow | snow shwrs | some clouds | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
5 | 16 | 2 | 3 | 7 | 8 | 4 | 2 | 8 | 10 | 17 | 5 | 6 | 9 | 2 | — | — | |
— | — | — | — | — | — | 6 | 13 | — | — | 14 | 14 | — | — | — | — | — | |
max °C | -3 | -4 | -5 | -3 | -2 | -1 | 2 | 4 | -1 | -1 | 2 | 3 | 0 | -3 | -4 | -3 | -3 |
min °C | -3 | -5 | -6 | -3 | -3 | -2 | 0 | -1 | -2 | -1 | -1 | 1 | -2 | -5 | -6 | -4 | -6 |
-9 | -8 | -9 | -8 | -9 | -6 | -6 | -8 | -8 | -6 | -4 | -4 | -7 | -11 | -10 | -7 | -9 | |
550 | 200 | 400 | 550 | 700 | 900 | 1450 | 950 | 750 | 850 | 1300 | 1250 | 650 | 300 | 450 | 550 | 0 | |
Cloud base (m) | 600 | 600 | 650 | 750 | 650 | 600 | 600 | 650 | 650 | 600 | 600 | 600 | 600 | 650 | 650 | 700 | 650 |
 | — | — | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — |
 | 7:01 | — | — | 7:02 | — | — | 7:05 | — | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Mon night. Becoming milder with moderate rain (total 20mm) on Wed night. Freeze-thaw conditions (max 4°C on Wed night, min -6°C on Tue morning). Winds increasing (light winds from the WSW on Tue morning, near gales from the WSW by Wed night).
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Thu night. Becoming milder with heavy rain (total 28mm) on Thu night. Freeze-thaw conditions (max 3°C on Fri morning, min -6°C on Sat morning). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sat night).
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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