– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Sat 24 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sat 24 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sat 24 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 2°C on Tue morning, min -5°C on Mon morning). Wind will be generally light. | Days 5–7 Weather SummaryA heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 3°C on Tue afternoon, min -2°C on Tue night). Winds increasing (light winds from the S on Tue afternoon, near gales from the SW by Thu afternoon). | ||||||||||||||||
Sat 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  | | |  | |  |  |  |  | | | | |
clear | clear | clear | clear | some clouds | cloudy | cloudy | some clouds | some clouds | cloudy | light snow | light snow | mod. snow | mod. snow | light snow | mod. snow | light snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | 1 | 1 | 9 | 9 | 4 | 8 | 2 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | 0 | 0 | 0 | -1 | -3 | -3 | 1 | 2 | 3 | -1 | -2 | -1 | 0 | 1 | 2 | 1 |
min °C | -1 | 0 | -1 | -1 | -2 | -5 | -4 | -2 | 2 | 0 | -2 | -2 | -1 | -1 | 1 | 2 | -1 |
-5 | -5 | -4 | -5 | -7 | -11 | -9 | -6 | -1 | -5 | -8 | -9 | -9 | -8 | -5 | -4 | -9 | |
1650 | 1950 | 1750 | 1700 | 1650 | 1450 | 1200 | 1650 | 2200 | 2250 | 1500 | 1550 | 1550 | 1800 | 1950 | 2200 | 2050 | |
Cloud base (m) | 9200 | 5950 | 3350 | 1750 | 1650 | 5300 | 5200 | 800 | 900 | 650 | 600 | 600 | 600 | 650 | |||
 | — | — | 7:41 | — | — | 7:39 | — | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — |
 | 4:53 | — | — | 4:55 | — | — | 4:57 | — | — | 4:59 | — | — | 5:00 | — | — | 5:01 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Freeze-thaw conditions (max 2°C on Tue morning, min -5°C on Mon morning). Wind will be generally light.
Mount Index Weather (Days 3-6):
A heavy fall of snow, heaviest during Wed afternoon. Freeze-thaw conditions (max 3°C on Tue afternoon, min -2°C on Tue night). Winds increasing (light winds from the S on Tue afternoon, near gales from the SW by Thu afternoon).
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 |
|---|---|---|---|---|---|
 | |||||
SHIP6639 | |||||
| |||||
| |||||
SHIP5129 | |||||
SHIP3436 | |||||
| |||||
Seattl / oeing Airport | |
* 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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