– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 4 am Mon 21 Sep Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 21 Sep 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 12°C on Mon morning, min 4°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 12mm), heaviest on Thu afternoon giving way to a moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Thu morning, min -2°C on Fri morning). Wind will be generally light. | |||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | | |  |  |  |  |  |  | | |  | |
clear | some clouds | some clouds | rain shwrs | rain shwrs | some clouds | cloudy | some clouds | some clouds | light rain | mod. rain | light snow | mod. snow | snow shwrs | clear | clear | some clouds | cloudy | |
Cloud base (m) | 6150 | 650 | 750 | 2500 | 4700 | 6750 | 2700 | 750 | 600 | 650 | 700 | 2050 | 9100 | 2400 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | 4 | 6 | 1 | — | — | — | — |
mm | — | — | — | 0.1 | 0.3 | — | — | — | — | 0.1 | 8 | 4 | — | — | — | — | — | — |
max °C | 12 | 10 | 9 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 4 | 4 | -1 | 1 | 2 | 4 | 6 | 6 |
min °C | 12 | 9 | 6 | 5 | 5 | 4 | 5 | 6 | 5 | 5 | 4 | -1 | -2 | -1 | 1 | 2 | 6 | 2 |
chill °C | 11 | 7 | 3 | 2 | 2 | 1 | 2 | 3 | 2 | 2 | 0 | -7 | -9 | -7 | -4 | 0 | 4 | -1 |
Freezing level m | 3800 | 3700 | 3550 | 3250 | 2950 | 2750 | 2750 | 2950 | 3150 | 2700 | 2750 | 2150 | 1600 | 1950 | 2200 | 2650 | 2750 | 2400 |
 | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:58 | — | — |
 | — | 7:06 | — | — | 7:04 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:55 | — |
Loading...
Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Very mild (max 12°C on Mon morning, min 4°C on Tue night). Wind will be generally light.
Mount Index Weather (Days 3-6):
Moderate rain (total 12mm), heaviest on Thu afternoon giving way to a moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Thu morning, min -2°C on Fri morning). Wind will be generally light.
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 |
|---|---|---|---|---|---|
 | |||||
SHIP5003 | |||||
 | |||||
| |||||
| |||||
BUOY-EBSW1 | |||||
BUOY-46120 | |||||
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.
Mount Index Photos
View all
Cascade Range photos (454) |
Pacific Coast Ranges photos (1063) |
photos from mountains in United States (3070) |
all photos
Upload new photo
Upload new photoMoonlight on Mt. Index
Mount Index