– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 10 am Wed 07 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 07 Oct Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–3 Weather SummaryMild at first with light rain (total 6mm) on Fri morning followed by colder weather and light fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 13°C on Wed morning, min -3°C on Fri night). Winds decreasing (strong winds from the WSW on Fri morning, calm by Fri night). | Days 4–6 Weather SummaryMostly dry. Freeze-thaw conditions (max 6°C on Mon afternoon, min -3°C on Sat morning). Wind will be generally light. | |||||||||||||||||
Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  | |  |  | |  | | | | | |  | |
clear | clear | some clouds | clear | clear | rain shwrs | light snow | light snow | mod. snow | some clouds | some clouds | clear | clear | clear | clear | clear | some clouds | light rain | |
Cloud base (m) | 9650 | 9150 | 9000 | 600 | 600 | 600 | 700 | 1550 | 2100 | 8750 | 3300 | 2350 | ||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | 3 | 2 | 7 | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 0.9 | 5 | — | — | — | — | — | — | — | — | — | — | 0.1 |
max °C | 13 | 13 | 13 | 12 | 11 | 9 | 5 | 0 | -1 | -2 | -1 | 0 | 0 | 3 | 4 | 5 | 6 | 6 |
min °C | 13 | 13 | 12 | 11 | 10 | 5 | 1 | 0 | -3 | -3 | -1 | -1 | 0 | 2 | 3 | 5 | 6 | 3 |
chill °C | 12 | 12 | 10 | 9 | 8 | -1 | -5 | -5 | -6 | -3 | -3 | -5 | -3 | 0 | 1 | 5 | 4 | -1 |
Freezing level m | 4100 | 4000 | 4050 | 3950 | 3850 | 3500 | 2100 | 1750 | 1400 | 1450 | 1750 | 1800 | 1900 | 2300 | 3200 | 3500 | 3250 | 3000 |
 | 7:13 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — |
 | — | 6:34 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:25 | — | — | 6:23 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mild at first with light rain (total 6mm) on Fri morning followed by colder weather and light fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 13°C on Wed morning, min -3°C on Fri night). Winds decreasing (strong winds from the WSW on Fri morning, calm by Fri night).
Mount Index Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 6°C on Mon afternoon, min -3°C on Sat 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
| |||||
BUOY-EBSW1 | |||||
BUOY-46120 | |||||
Seattl / oeing Airport | | ||||
SHIP8763 | |||||
SHIP9814 | |||||
SHIP4434 |
* 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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