– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 am Thu 26 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 3 am Thu 26 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Mostly dry. Freeze-thaw conditions (max 4°C on Sat afternoon, min -2°C on Thu morning). Winds decreasing (fresh winds from the SW on Thu afternoon, calm by Sat night).									Days 4–6 Weather Summary A dusting of new snow. Mild temperatures (max 6°C on Mon afternoon, min 1°C on Tue night). Wind will be generally light.
	Thursday 26			Friday 27			Saturday 28			Sunday 1			Monday 2			Tuesday 3
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	cloudy	some clouds	some clouds	cloudy	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	cloudy	light snow
km/h	SW	SW	SW	SW	W	W	N	NE	ESE	SE	SE	NNW	NNW	N	NNW	SSW	SW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	-1	-1	-1	-1	0	0	3	4	4	5	5	4	5	6	5	5	4	2
min °C	-2	-1	-2	-2	-1	-1	1	3	4	5	5	4	5	5	5	5	2	1
chill °C	-9	-8	-9	-7	-6	-5	-2	0	4	4	5	4	2	2	2	5	-2	-2

Freezing level m	1000	1200	1050	1050	1150	1100	1700	2150	2450	2350	2400	2550	2450	2500	2600	2450	2050	1500
Cloud base (m)	550	550	650	650	600	450	450	800		9150	8750	9200		9350	8200			550

	6:52	—	—	6:50	—	—	6:48	—	—	6:47	—	—	6:45	—	—	6:43	—	—
	—	5:46	—	—	5:49	—	—	5:50	—	—	5:52	—	—	5:52	—	—	5:54	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Freeze-thaw conditions (max 4°C on Sat afternoon, min -2°C on Thu morning). Winds decreasing (fresh winds from the SW on Thu afternoon, calm by Sat night).

Mount Si Weather (Days 3-6):

A dusting of new snow. Mild temperatures (max 6°C on Mon afternoon, min 1°C on Tue night). Wind will be generally light.

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	7° C	Dry	Calm (0 kph at 77).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	7° C	Dry and partly cloudy.	Light winds from the S (15 kph at 170).	16 km Low: broken
Auburn 39 km SW 119m alt. 1 hour ago	2° C	-	Calm (0 kph at 25).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	-3° C	Moderate rain .	Light winds from the W.(Wind varies from 240 to 330 degs) (13 kph at 280).	1 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	7° C	Clear	Light winds from the SSE (19 kph at 150).	16 km
Seattle Tacoma International Airport 44 km WSW 218m alt. 1 hour ago	6° C	Dry and partly cloudy.	Moderate winds from the S (24 kph at 180).	16 km Low: few Mid: broken
Snohomish 49 km NW 196m alt. 1 hour ago	7° C	Dry	Light winds from the S (10 kph at 171).
SHIP5894 51 km SW 15m alt. 3 hours ago				- km
SHIP9660 51 km SW 3m alt. 3 hours ago	6° C

* 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.