– Lat/Long: 47.77° N 121.58° W

Mount Index
Weather Forecast, United States
Issued: 9 am Sun 22 Dec Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sun 22 Dec Local Time

Updates in:

hr min s

Update imminent

2 Mount Index Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary A heavy fall of snow, heaviest during Tue morning. Freeze-thaw conditions (max 4°C on Mon afternoon, min -6°C on Tue night). Mainly strong winds.									Days 4–6 Weather Summary A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -1°C on Fri night, min -5°C on Wed morning). Mainly gales.
	Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	light snow	heavy snow	some clouds	cloudy	mod. snow	mod. snow	mod. snow	mod. snow	light snow	light snow	heavy snow	heavy snow	light snow	heavy snow	light snow	light snow	mod. snow
km/h	S	SSW	SW	WSW	SE	SSE	SW	WNW	WSW	SW	S	S	SW	SW	WSW	SW	SW	SW
See all weather maps
cm	2.0	4	11	—	—	6	9	8	9	1.0	2.0	24	16	2.0	15	4	1.0	7
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	0	0	-1	0	4	1	-3	-4	-5	-5	-3	-3	-4	-4	-4	-4	-3	-1
min°C	-1	-1	-3	-2	2	-2	-4	-5	-6	-5	-3	-4	-4	-4	-5	-4	-4	-2
chill°C	-7	-8	-9	-6	-3	-7	-10	-12	-13	-12	-10	-13	-15	-11	-11	-11	-10	-9

Freezing level (m)	1750	1800	1600	1350	2350	1700	1200	1050	950	950	1150	900	1050	1200	1000	1150	1150	1500
Cloud base (m)	2100	800	600	700	700	850	600	600	600	600	600	550	550	550	600	600	600	600

	7:52	—	—	7:52	—	—	7:54	—	—	7:54	—	—	7:54	—	—	7:54	—	—
	—	4:16	—	—	4:17	—	—	4:17	—	—	4:19	—	—	4:20	—	—	4:21	—

Mount Index Weather (Days 0-3):

The weather forecast for Mount Index is: A heavy fall of snow, heaviest during Tue morning. Freeze-thaw conditions (max 4°C on Mon afternoon, min -6°C on Tue night). Mainly strong winds.

Mount Index Weather (Days 3-6):

A heavy fall of snow, heaviest during Thu morning. Temperatures will be below freezing (max -1°C on Fri night, min -5°C on Wed morning). Mainly gales.

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.

Live conditions reported by 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 37 km S 251m alt. 45 minutes ago	8° C	Dry	Calm (0 kph at 18).
Everett Airport 55 km W 218m alt. 2 hours ago	10° C	Dry and partly cloudy.	Light winds from the SE (13 kph at 140).	16 km Low: few Mid: scattered High: scattered
Renton Airport 57 km SW 218m alt. 1 hour ago	9° C	Light rain .	Light winds from the SE (11 kph at 140).	10 km Low: few Mid: overcast
Stampede Pass Airport 58 km SSE 628m alt. 1 hour ago	-1° C	Light snow.	Calm (0 kph at 0).	1 km
Seattl / oeing Airport 61 km SW 218m alt. 2 hours ago	9° C	Dry and cloudy.	Light winds from the ESE (11 kph at 120).	14 km Low: scattered Mid: overcast
Arlington Municipal Airport 62 km WNW 197m alt. 2 hours ago	9° C	Dry and cloudy.	Light winds from the E (15 kph at 100).	16 km Low: few Mid: overcast
Black Diamond 64 km S 192m alt. 37 minutes ago		-	Wind obs. (6 kph from 13 degs) was rejected.
Seattle 64 km SW 100m alt. 1 hour ago	14° C	-	Calm (2 kph at 159).
BUOY-WPOW1 66 km WSW 3m alt. 53 minutes ago	9° C		Light winds from the SE (11 kph at 130).
Seattle Tacoma International Airport 66 km SW 218m alt. 2 hours ago	8° C	Light rain .	Moderate winds from the E (22 kph at 100).	14 km Low: broken Mid: overcast

* 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.