– Lat/Long: 47.77° N 121.58° W
Mount Index Weather Forecast
Cascade Range · United StatesIssued: 3 pm Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Thu 05 Nov Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 14mm), heaviest on Fri afternoon giving way to a moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 7°C on Sat morning, min -3°C on Sun morning). Winds increasing (light winds from the SW on Thu afternoon, gales from the SW by Sat night). | Days 5–7 Weather SummaryA dusting of snow giving way to moderate rain (total 11mm) heaviest on Tue afternoon. Freeze-thaw conditions (max 9°C on Wed morning, min -4°C on Sun afternoon). Winds increasing (calm on Sun night, fresh winds from the SW by Tue morning). | ||||||||||||||||
Thu 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  | | |  | | | | | | |
some clouds | some clouds | light rain | mod. rain | light rain | some clouds | some clouds | heavy snow | snow shwrs | snow shwrs | some clouds | cloudy | some clouds | some clouds | light rain | mod. rain | light rain | |
Cloud base (m) | 1650 | 3050 | 950 | 750 | 650 | 1800 | 7000 | 600 | 650 | 850 | 800 | 5800 | 6000 | 2850 | 2000 | 700 | 2200 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | 15 | 3 | 2 | — | — | — | — | — | — | — |
mm | — | — | 1.5 | 8 | 4 | — | — | — | — | — | — | — | — | — | 4 | 6 | 0.2 |
max °C | 0 | 3 | 4 | 4 | 6 | 7 | 7 | -1 | -3 | -4 | 1 | 1 | 2 | 4 | 4 | 5 | 8 |
min °C | 0 | 0 | 2 | 4 | 2 | 7 | 6 | -2 | -3 | -4 | -3 | 1 | 2 | 3 | 3 | 4 | 6 |
chill °C | -4 | -6 | -4 | -2 | -3 | 4 | 1 | -11 | -13 | -11 | -5 | -2 | -1 | 0 | -2 | 0 | 3 |
Freezing level m | 1800 | 2500 | 2650 | 2850 | 2450 | 2850 | 2750 | 1500 | 1400 | 1250 | 1450 | 2150 | 2150 | 2450 | 2450 | 2700 | 3000 |
 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — |
 | 4:42 | — | — | 4:39 | — | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — | — | 4:35 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Moderate rain (total 14mm), heaviest on Fri afternoon giving way to a moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 7°C on Sat morning, min -3°C on Sun morning). Winds increasing (light winds from the SW on Thu afternoon, gales from the SW by Sat night).
Mount Index Weather (Days 3-6):
A dusting of snow giving way to moderate rain (total 11mm) heaviest on Tue afternoon. Freeze-thaw conditions (max 9°C on Wed morning, min -4°C on Sun afternoon). Winds increasing (calm on Sun night, fresh winds from the SW 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 |
|---|---|---|---|---|---|
 | |||||
 | |||||
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BUOY-EBSW1 | |||||
Seattl / oeing Airport | | ||||
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* 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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