– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 9 pm Thu 26 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Thu 26 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Thu 26 Feb 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 Sat afternoon, min -4°C on Thu night). Winds decreasing (fresh winds from the W on Thu night, calm by Sat night). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 2°C on Sun night, min -5°C on Wed afternoon). Winds increasing (light winds from the WNW on Tue morning, strong winds from the SW by Tue night). | ||||||||||||||||||
Friday 27 | Saturday 28 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | | | | | | | | |  |  | | | |
cloudy | some clouds | cloudy | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | heavy snow | light snow | light snow | heavy snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 3 | 3 | 11 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -4 | -3 | -3 | -1 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | -2 | -4 | -4 | -5 |
min °C | -4 | -4 | -3 | -3 | -1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 1 | 2 | 0 | -4 | -4 | -5 | -5 |
-12 | -11 | -10 | -10 | -5 | -3 | 0 | -1 | -2 | -1 | -3 | -3 | -4 | 0 | -5 | -13 | -12 | -13 | -11 | |
1100 | 1050 | 1200 | 1100 | 1300 | 2150 | 2450 | 2100 | 2200 | 2250 | 2400 | 2150 | 2250 | 2250 | 2000 | 1450 | 1200 | 1200 | 1000 | |
Cloud base (m) | 650 | 700 | 750 | 650 | 600 | 8350 | 650 | 8250 | 9200 | 9200 | 5900 | 5250 | 600 | 600 | 600 | 600 | |||
 | — | 6:50 | — | — | 6:48 | — | — | 6:46 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — |
 | — | — | 5:47 | — | — | 5:49 | — | — | 5:51 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — |
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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 Sat afternoon, min -4°C on Thu night). Winds decreasing (fresh winds from the W on Thu night, calm by Sat night).
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 2°C on Sun night, min -5°C on Wed afternoon). Winds increasing (light winds from the WNW on Tue morning, strong winds from the SW by Tue 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.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
| |||||
 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP3005 | |||||
SHIP5376 | |||||
SHIP2518 |
* 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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