– Lat/Long: 47.77° N 121.58° W
Mount Index
Weather Forecast, United StatesIssued: 3 pm Tue 20 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Tue 20 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Tue 20 Jan Local Time
Updates in:
Update imminent hr min s
2 Mount Index Elevations: 2 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Freeze-thaw conditions (max 7°C on Tue afternoon, min -1°C on Thu afternoon). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Freeze-thaw conditions (max 2°C on Sat morning, min -4°C on Mon morning). Wind will be generally light. | ||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  | | | | | | | | | |  | |
clear | clear | clear | clear | some clouds | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 7 | 6 | 4 | 3 | 3 | 1 | -1 | -1 | -1 | 0 | 1 | 2 | 2 | 1 | 1 | 0 | 0 |
min °C | 7 | 5 | 4 | 3 | 1 | 0 | -1 | -1 | -1 | -1 | 0 | 2 | 1 | 1 | 1 | 0 | -2 |
6 | 3 | 2 | 0 | -3 | 0 | -1 | -3 | -4 | -4 | -3 | -1 | -2 | -3 | -1 | -4 | -8 | |
2900 | 2850 | 2650 | 2500 | 2300 | 1950 | 1600 | 1500 | 1700 | 1700 | 2050 | 2150 | 2150 | 2050 | 2000 | 1900 | 1700 | |
Cloud base (m) | 6400 | 8900 | 6750 | 7950 | 6600 | 6150 | 5550 | 650 | 8150 | 6050 | 3050 | ||||||
 | — | — | 7:45 | — | — | 7:43 | — | — | 7:43 | — | — | 7:41 | — | — | 7:41 | — | — |
 | 4:47 | — | — | 4:50 | — | — | 4:51 | — | — | 4:52 | — | — | 4:53 | — | — | 4:55 | — |
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Mount Index Weather (Days 0-3):
The weather forecast for Mount Index is: Mostly dry. Freeze-thaw conditions (max 7°C on Tue afternoon, min -1°C on Thu afternoon). Wind will be generally light.
Mount Index Weather (Days 3-6):
Mostly dry. Freeze-thaw conditions (max 2°C on Sat morning, min -4°C on Mon 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 |
|---|---|---|---|---|---|
 | |||||
SHIP5719 | |||||
SHIP353 | |||||
SHIP127 | |||||
SHIP514 | |||||
SHIP4143 | |||||
SHIP3150 | |||||
SHIP1101 |
* 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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