– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 pm Sat 07 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sat 07 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Mild with moderate rain (total 14mm) on Sat afternoon, Becoming colder with a light covering of snow, mostly falling on Mon morning. Freeze-thaw conditions (max 3°C on Sat afternoon, min -2°C on Sun night). Winds decreasing (strong winds from the SSW on Sat afternoon, calm by Sun morning).											Days 5–7 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 3°C on Wed afternoon, min -3°C on Fri morning). Winds increasing (calm on Wed morning, fresh winds from the SW by Thu night).
	Sat 7		Sunday 8			Monday 9			Tuesday 10			Wednesday 11			Thursday 12
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	heavy rain	snow shwrs	cloudy	some clouds	some clouds	light snow	cloudy	some clouds	cloudy	some clouds	clear	clear	clear	some clouds	cloudy	some clouds	light snow
km/h	SSW	SW	NNW	NW	SW	SW	WSW	SE	ESE	ESE	ESE	ESE	S	SSW	SW	SW	SW
See all weather maps
cm	—	2	—	—	—	4	—	—	—	—	—	—	—	—	—	—	1
mm	14	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	3	2	1	1	-1	-2	-1	1	2	2	1	2	3	1	-1	-1	-1
min °C	3	0	1	0	-2	-2	-1	-1	2	2	0	2	2	-1	-1	-1	-2
chill °C	-4	-5	1	-2	-7	-9	-6	-4	-2	-2	-2	0	0	-6	-6	-6	-9

Freezing level m	1800	1400	1500	1400	950	1000	1100	1150	1650	1600	1500	1600	1700	1500	1150	1150	1050
Cloud base (m)	400	550			750	600	450	600	6300	5600	400		9050	9100	850	2150	650

	—	—	7:22	—	—	7:20	—	—	7:20	—	—	7:18	—	—	7:16	—	—
	5:17	—	—	5:19	—	—	5:21	—	—	5:22	—	—	5:23	—	—	5:24	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mild with moderate rain (total 14mm) on Sat afternoon, Becoming colder with a light covering of snow, mostly falling on Mon morning. Freeze-thaw conditions (max 3°C on Sat afternoon, min -2°C on Sun night). Winds decreasing (strong winds from the SSW on Sat afternoon, calm by Sun morning).

Mount Si Weather (Days 3-6):

A dusting of new snow. Freeze-thaw conditions (max 3°C on Wed afternoon, min -3°C on Fri morning). Winds increasing (calm on Wed morning, fresh winds from the SW by Thu night).

This table gives the weather forecast for Mount Si at the specific elevation of 1270 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	11° C	Dry	Calm (0 kph at 72).
Black Diamond 32 km SSW 192m alt. 52 minutes ago		-	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	10° C	Light rain .	Calm (0 kph at 0).	6 km Mid: overcast
Auburn 39 km SW 119m alt. 44 minutes ago	13° C	Dry	Calm (0 kph at 196).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	0° C	Moderate rain .	Calm (0 kph at 0).	0 km Mid: few High: overcast
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	11° C	Light rain .	Light winds from the SSE (15 kph at 160).	11 km Low: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	11° C	Light rain .	Moderate winds from the SSE (22 kph at 150).	13 km Low: few Mid: broken High: overcast
Snohomish 49 km NW 196m alt. 34 minutes ago	11° C	Dry	Light winds from the SE (16 kph at 143).
SHIP5329 54 km W 3m alt. 1 hour ago	11° C		Light winds from the SE (11 kph at 130).
SHIP3705 54 km W 15m alt. 2 hours ago			Light winds from the SE (15 kph at 140).	- km

* 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.