– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 am Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 14 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 14°C on Thu night, min 5°C on Wed morning). Winds increasing (calm on Wed afternoon, fresh winds from the SW by Fri night). | Days 4–6 Weather SummaryLight rain (total 6mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 5°C on Sun afternoon, min -2°C on Mon afternoon). Winds decreasing (strong winds from the WSW on Sat morning, calm by Sun morning). | |||||||||||||||||
Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | |  |  | | |  |  |  | |  |  | |
clear | clear | clear | clear | clear | clear | clear | clear | rain shwrs | snow shwrs | snow shwrs | clear | cloudy | some clouds | cloudy | cloudy | light snow | some clouds | |
Cloud base (m) | 9550 | 9150 | 8750 | 8500 | 650 | 950 | 1700 | 6550 | 6450 | 4550 | 1750 | 650 | 1550 | |||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | 1 | — |
mm | — | — | — | — | — | — | — | — | 0.2 | 6 | — | — | — | — | — | — | — | — |
max °C | 6 | 7 | 11 | 12 | 13 | 14 | 14 | 13 | 11 | 3 | 0 | 1 | 4 | 5 | 4 | -1 | -1 | -1 |
min °C | 5 | 6 | 8 | 11 | 12 | 13 | 14 | 12 | 5 | 2 | 0 | 0 | 2 | 4 | 1 | -1 | -2 | -2 |
chill °C | 2 | 4 | 7 | 10 | 11 | 12 | 13 | 10 | 0 | -5 | -7 | -6 | 2 | 3 | -3 | -4 | -5 | -5 |
Freezing level m | 3550 | 3650 | 3950 | 4000 | 4050 | 4000 | 3900 | 3750 | 3250 | 2100 | 1800 | 2000 | 2650 | 2850 | 2350 | 1550 | 1500 | 1500 |
 | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:28 | — | — | 7:30 | — | — |
 | — | 6:20 | — | — | 6:17 | — | — | 6:15 | — | — | 6:14 | — | — | 6:13 | — | — | 6:10 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 14°C on Thu night, min 5°C on Wed morning). Winds increasing (calm on Wed afternoon, fresh winds from the SW by Fri night).
Mount Index Weather (Days 3-6):
Light rain (total 6mm) at first, then becoming colder with a dusting of snow on Sat morning. Freeze-thaw conditions (max 5°C on Sun afternoon, min -2°C on Mon afternoon). Winds decreasing (strong winds from the WSW on Sat morning, calm by Sun 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 |
|---|---|---|---|---|---|
 | |||||
SHIP7795 | |||||
 | |||||
| |||||
BUOY-EBSW1 | |||||
Seattl / oeing Airport | | ||||
SHIP11229 | |||||
SHIP7467 |
* 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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