– Lat/Long: 47.77° N 121.58° W

Mount Index
Weather Forecast, United States
Issued: 10 am Tue 14 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Tue 14 May Local Time

Updates in:

hr min s

Update imminent

2 Mount Index Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 6mm) at first, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 13°C on Wed afternoon, min 0°C on Thu night). Wind will be generally light.									Days 4–6 Weather Summary Mild at first with light rain (total 7mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 5°C on Fri afternoon, min 0°C on Fri morning). Wind will be generally light.
	Tuesday 14			Wednesday 15			Thursday 16			Friday 17			Saturday 18			Sunday 19
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	clear	clear	clear	some clouds	rain shwrs	light rain	light rain	light snow	light snow	rain shwrs	rain shwrs	light rain	light snow	heavy snow	light snow	light rain	rain shwrs
km/h	WNW	NW	NNW	WNW	WNW	WSW	SW	WSW	WSW	W	W	SW	SW	SW	WNW	W	WNW	NW
Wave Height Map See all maps
cm	—	—	—	—	—	—	—	—	4	3	—	—	—	2.0	11	1.0	—	—
mm	—	—	—	—	—	0.2	0.6	3	2	—	0.8	0.3	0.1	2	—	—	2	0.9
max°C	10	12	11	12	13	12	6	6	4	1	5	5	4	2	1	2	4	3
min°C	7	12	9	10	13	7	6	6	0	0	4	2	2	2	0	1	3	1
chill°C	7	11	8	9	12	5	4	2	-3	-4	2	0	0	-1	-5	-2	1	-1

Freezing level (m)	3150	3100	3600	3450	3350	3250	2200	2000	1100	1200	1750	1500	1450	1300	1050	1200	1500	1300
Cloud base (m)		7550	8650	7950		1600	600	600	600	650	750	600	750	700	600	650	650	750

	5:28	—	—	5:26	—	—	5:26	—	—	5:24	—	—	5:22	—	—	5:22	—	—
	—	—	8:37	—	—	8:37	—	—	8:38	—	—	8:40	—	—	8:42	—	—	8:43

Mount Index Weather (Days 0-3):

The weather forecast for Mount Index is: Light rain (total 6mm) at first, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 13°C on Wed afternoon, min 0°C on Thu night). Wind will be generally light.

Mount Index Weather (Days 3-6):

Mild at first with light rain (total 7mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 5°C on Fri afternoon, min 0°C on Fri morning). 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. 1 hour ago	11° C	Dry	Calm (2 kph at 141).
Monroe 30 km W 80m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 180).
Jamison Corner wx 32 km W 188m alt. 1 hour ago	16° C	Dry	Calm (2 kph at 302).
Granite Falls 34 km N 470m alt. 1 hour ago	17° C	Dry	Calm (5 kph at 212).
Lake Roesiger wx 35 km WNW 239m alt. 40 minutes ago	16° C	Dry	Calm (3 kph at 92).

* 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.