– Lat/Long: 47.77° N 121.58° W

Mount Index
Weather Forecast, United States
Issued: 10 am Sat 18 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 18 May Local Time

Updates in:

hr min s

Update imminent

2 Mount Index Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary A light covering of new snow mostly falling on Sat morning. Mild temperatures (max 8°C on Mon afternoon, min 1°C on Sat morning). Wind will be generally light.									Days 4–6 Weather Summary Heavy rain (total 33mm), mostly on Tue afternoon. Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 6°C on Thu afternoon, min 0°C on Tue night). Wind will be generally light.
	Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	light snow	cloudy	light rain	rain shwrs	some clouds	light rain	some clouds	mod. rain	heavy rain	light snow	light snow	rain shwrs	rain shwrs	cloudy	light rain	light rain
km/h	WSW	NW	WNW	WNW	NW	NW	WNW	WNW	WSW	SSW	SW	SSW	WNW	NW	W	SW	WSW	SW
Wave Height Map See all maps
cm	3	4	2.0	—	—	—	—	—	—	—	—	5	2.0	—	—	—	—	—
mm	—	—	—	—	0.5	0.1	—	0.1	—	8	14	10	—	0.3	0.1	—	0.4	0.2
max°C	2	2	1	1	5	4	5	8	8	5	5	5	0	3	3	4	6	5
min°C	1	2	1	1	2	2	3	6	4	4	5	0	0	1	2	3	5	4
chill°C	-2	0	-3	-1	1	2	1	5	2	1	2	-5	-3	-1	2	3	4	2

Freezing level (m)	1250	1250	1200	1200	1600	1550	1650	2200	2100	1800	1850	1050	1050	1350	1550	1650	2000	1900
Cloud base (m)	600	600	650	650	650	950	950	1600	1850	650	600	750	600	650	850	950	800	600

	5:22	—	—	5:22	—	—	5:20	—	—	5:20	—	—	5:18	—	—	5:18	—	—
	—	—	8:42	—	—	8:43	—	—	8:44	—	—	8:45	—	—	8:46	—	—	8:47

Mount Index Weather (Days 0-3):

The weather forecast for Mount Index is: A light covering of new snow mostly falling on Sat morning. Mild temperatures (max 8°C on Mon afternoon, min 1°C on Sat morning). Wind will be generally light.

Mount Index Weather (Days 3-6):

Heavy rain (total 33mm), mostly on Tue afternoon. Becoming colder with a light covering of snow, mostly falling on Tue night. Freeze-thaw conditions (max 6°C on Thu afternoon, min 0°C on Tue night). Wind will be generally light.

This table gives the weather forecast for Mount Index at the specific elevation of 1000 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.

Live conditions reported by 5 closest weather stations

Weather Station	Temp.	Weather	Wind
Grotto wx 16 km E 1101m alt. 57 minutes ago	4° C	Dry	Calm (2 kph at 59).
Monroe 30 km W 80m alt. 33 minutes ago	7° C	Dry	Calm (0 kph at 239).
Jamison Corner wx 32 km W 188m alt. 57 minutes ago	12° C	Dry	Calm (2 kph at 325).
Granite Falls 34 km N 470m alt. 26 minutes ago	8° C	Dry	Calm (0 kph at 238).
Lake Roesiger wx 35 km WNW 239m alt. 2 hours ago	12° C	Dry	Calm (2 kph at 201).

* 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.