– Lat/Long: 47.77° N 121.58° W

Mount Index
Weather Forecast, United States
Issued: 10 am Sat 22 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sat 22 Mar Local Time

Updates in:

hr min s

Update imminent

2 Mount Index Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow heaviest on Sun morning. Turning milder with heavy rain (total 44mm), heaviest during Sun morning. Freeze-thaw conditions (max 7°C on Mon afternoon, min -2°C on Sat morning). Winds increasing (light winds from the WSW on Sat night, fresh winds from the SW by Sun night).									Days 4–6 Weather Summary Mild with moderate rain (total 16mm) on Wed night, Becoming colder with a light covering of snow, mostly falling on Thu afternoon. Freeze-thaw conditions (max 12°C on Wed morning, min -1°C on Thu night). Winds increasing (calm on Tue morning, fresh winds from the SW by Thu afternoon).
	Saturday 22			Sunday 23			Monday 24			Tuesday 25			Wednesday 26			Thursday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light snow	cloudy	mod. snow	light snow	mod. rain	heavy rain	mod. rain	mod. rain	mod. rain	rain shwrs	rain shwrs	rain shwrs	cloudy	rain shwrs	heavy rain	light rain	light snow	light snow
km/h	WSW	WSW	SW	SSW	SW	WSW	WSW	WSW	SW	S	SSE	SE	ESE	SE	WSW	SSW	SW	SW
See all weather maps
cm	2.0	—	8	4	—	—	—	—	—	—	—	—	—	—	—	—	3	3
mm	—	—	—	6	7	11	8	6	6	0.2	0.5	0.1	—	0.3	12	2	—	—
max°C	-1	1	1	3	5	6	6	7	7	9	11	10	12	12	11	3	2	0
min°C	-2	0	0	2	4	6	6	7	7	8	11	9	10	12	3	3	1	-1
chill°C	-6	-3	-2	-2	0	1	2	4	4	8	11	8	9	11	0	0	-5	-7

Freezing level (m)	900	1050	1100	1750	2350	2350	2300	2400	2500	2750	2850	2900	2850	2800	2000	1400	1150	900
Cloud base (m)	650	650	650	600	600	650	650	650	650	800	750	600	600	600	650	600	600	650

	7:05	—	—	7:03	—	—	7:01	—	—	6:58	—	—	6:56	—	—	6:54	—	—
	—	7:21	—	—	7:22	—	—	7:23	—	—	7:24	—	—	7:27	—	—	7:28	—

Mount Index Weather (Days 0-3):

The weather forecast for Mount Index is: A moderate fall of snow heaviest on Sun morning. Turning milder with heavy rain (total 44mm), heaviest during Sun morning. Freeze-thaw conditions (max 7°C on Mon afternoon, min -2°C on Sat morning). Winds increasing (light winds from the WSW on Sat night, fresh winds from the SW by Sun night).

Mount Index Weather (Days 3-6):

Mild with moderate rain (total 16mm) on Wed night, Becoming colder with a light covering of snow, mostly falling on Thu afternoon. Freeze-thaw conditions (max 12°C on Wed morning, min -1°C on Thu night). Winds increasing (calm on Tue morning, fresh winds from the SW by Thu afternoon).

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	Cloud Visibility Cloud / Visibility
Harman Heights wx 37 km S 251m alt. 3 hours ago	10° C	Dry	Calm (0 kph at 209).
Everett Airport 55 km W 218m alt. 2 hours ago	8° C	Dry and partly cloudy.	Light winds from the WNW (7 kph at 290).	16 km Low: broken Mid: broken
Renton Airport 57 km SW 218m alt. 2 hours ago	12° C	Dry and partly cloudy.	Light winds from the SSW.(Wind varies from 180 to 240 degs) (13 kph at 210).	16 km Low: scattered
Stampede Pass Airport 58 km SSE 628m alt. 57 minutes ago	1° C	-	Wind obs. (7 kph from 1 degs) was rejected.	16 km
Seattl / oeing Airport 61 km SW 218m alt. 2 hours ago	11° C	Dry and partly cloudy.	Light winds from the N (7 kph at 1).	16 km Low: broken
Arlington Municipal Airport 62 km WNW 197m alt. 2 hours ago	10° C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: scattered Mid: broken
Black Diamond 64 km S 192m alt. 41 minutes ago		-	Wind obs. (10 kph from 360 degs) was rejected.
Seattle 64 km SW 100m alt. 49 minutes ago		-	Light winds from the SW (11 kph at 223).
BUOY-WPOW1 66 km WSW 3m alt. 53 minutes ago	10° C		Light winds from the S (11 kph at 180).
Seattle Tacoma International Airport 66 km SW 218m alt. 2 hours ago	11° C	Dry and partly cloudy.	Light winds from the SSW (19 kph at 210).	16 km Low: few Mid: scattered High: broken

* 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.