– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Thu 29 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Thu 29 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 29 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryA light fall of snow, heaviest on Thu afternoon. Turning milder with light rain (total 4mm) on Sat morning. Freeze-thaw conditions (max 5°C on Sat afternoon, min -1°C on Sun morning). Winds decreasing (strong winds from the SSW on Fri morning, light winds from the SW by Fri night). | Days 5–7 Weather SummaryA moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 7°C on Tue afternoon, min -3°C on Sun night). Winds decreasing (fresh winds from the SW on Sun afternoon, calm by Tue morning). | ||||||||||||||||
Thu 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  |  | | |  | | | |  | | | |
light snow | light snow | light snow | light snow | cloudy | light rain | cloudy | some clouds | light snow | light snow | mod. snow | light snow | cloudy | some clouds | some clouds | some clouds | some clouds | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
3 | 3 | 1 | 2 | — | — | — | — | 2 | 3 | 9 | 2 | — | — | — | — | — | |
— | 0.2 | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 3 | 1 | 1 | 4 | 3 | 5 | 5 | 0 | -2 | -3 | -3 | -1 | 3 | 5 | 7 | 7 |
min °C | 0 | 1 | 0 | 1 | 2 | 3 | 4 | 2 | -1 | -2 | -3 | -3 | -2 | 0 | 4 | 6 | 7 |
-5 | -4 | -6 | -6 | -2 | -1 | 0 | -3 | -9 | -10 | -11 | -8 | -6 | -4 | 4 | 5 | 5 | |
1950 | 1950 | 1950 | 2100 | 2350 | 2400 | 2450 | 2450 | 1850 | 1500 | 1400 | 1350 | 1500 | 1800 | 2600 | 3100 | 3000 | |
Cloud base (m) | 650 | 650 | 2350 | 800 | 800 | 950 | 650 | 600 | 2700 | 700 | 650 | 650 | 750 | 1850 | 1600 | 2400 | 5300 |
 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — | 7:31 | — | — | 7:30 | — | — |
 | 5:01 | — | — | 5:04 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: A light fall of snow, heaviest on Thu afternoon. Turning milder with light rain (total 4mm) on Sat morning. Freeze-thaw conditions (max 5°C on Sat afternoon, min -1°C on Sun morning). Winds decreasing (strong winds from the SSW on Fri morning, light winds from the SW by Fri night).
Mount Index Weather (Days 3-6):
A moderate fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 7°C on Tue afternoon, min -3°C on Sun night). Winds decreasing (fresh winds from the SW on Sun afternoon, calm by Tue morning).
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 | | ||||
| |||||
BUOY-WPOW1 |
* 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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