– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 pm Sat 06 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 pm Sat 06 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 30mm), heaviest during Mon night. Very mild (max 14°C on Mon afternoon, min 6°C on Sat night). Wind will be generally light.											Days 5–7 Weather Summary Light rain (total 10mm), mostly falling on Tue afternoon. Very mild (max 19°C on Fri morning, min 6°C on Tue night). Wind will be generally light.
	Sat 6		Sunday 7			Monday 8			Tuesday 9			Wednesday 10			Thursday 11
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	risk tstorm	rain shwrs	light rain	rain shwrs	some clouds	cloudy	light rain	heavy rain	mod. rain	light rain	light rain	rain shwrs	rain shwrs	rain shwrs	clear	clear	clear
km/h	SW	SW	SW	W	SE	WNW	NW	W	SW	WSW	WSW	WNW	WNW	W	NW	NW	E
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	4	3	0.6	0.2	—	—	0.2	13	8	4	5	0.7	0.4	0.2	—	—	—
max °C	8	7	6	12	11	13	14	10	9	9	7	8	12	11	13	17	14
min °C	8	6	6	9	7	11	11	9	8	9	6	7	12	6	9	16	10
chill °C	7	6	4	9	7	11	11	9	6	6	6	6	12	6	9	16	10

Freezing level m	1550	1500	1450	2150	2100	2150	2250	2050	1900	1800	1550	1950	2300	2550	2600	3250	3300
Cloud base (m)	500	750	450	700	6250	2050	800	400	400	600	450	500	900	1850	1900

	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	9:00	—	—	9:00	—	—	9:00	—	—	9:01	—	—	9:02	—	—	9:02

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 30mm), heaviest during Mon night. Very mild (max 14°C on Mon afternoon, min 6°C on Sat night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 10mm), mostly falling on Tue afternoon. Very mild (max 19°C on Fri morning, min 6°C on Tue night). Wind will be generally light.

This table gives the weather forecast for Mount Si at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of Mount Si. 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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 2 hours ago	13° C	Dry	Calm (0 kph at 328).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	7° C	-	Calm (0 kph at 157).
Renton 30 km WSW 160m alt. 33 minutes ago	11° C	Dry	Calm (0 kph at 203).
Black Diamond 32 km SSW 192m alt. 49 minutes ago		-	Wind obs. (8 kph from 360 degs) was rejected.
Grotto wx 35 km NE 321m alt. 1 hour ago	9° C	Dry	Calm (0 kph at 235).
Renton Airport 36 km WSW 218m alt. 2 hours ago	13° C	Dry and partly cloudy.	Light winds from the SSW (6 kph at 210).	16 km Low: few Mid: scattered High: broken
Grotto wx 39 km NE 1101m alt. 30 minutes ago	3° C	Dry	Calm (0 kph at 113).
Auburn 39 km SW 119m alt. 57 minutes ago		-	Calm (3 kph at 200).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	2° C	Moderate rain .	Wind obs. (9 kph from 200 degs) was rejected.	0 km Mid: broken High: overcast
Woodinville 43 km WNW 137.2m alt. 56 minutes ago	7° C	Dry	Light winds from the W (8 kph at 263).

* 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.