– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Fri 05 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Fri 05 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 5mm) at first, then becoming colder with a dusting of snow on Sat afternoon. Freeze-thaw conditions (max 5°C on Sun afternoon, min 0°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary Heavy rain (total 22mm), heaviest during Tue morning. Mild temperatures (max 7°C on Mon afternoon, min 3°C on Mon morning). Wind will be generally light.
	Friday 5			Saturday 6			Sunday 7			Monday 8			Tuesday 9			Wednesday 10
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	light rain	cloudy	snow shwrs	snow shwrs	cloudy	some clouds	light rain	light rain	rain shwrs	light rain	mod. rain	light rain	light rain	light rain	rain shwrs	rain shwrs
km/h	SW	WSW	SW	SW	SW	SW	SW	SSW	SW	S	W	WSW	SW	WSW	W	WSW	NW	N
See all weather maps
cm	—	—	—	—	1	1	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.3	2	1	—	—	—	—	—	1.2	1.4	0.3	4	6	4	3	0.7	1.8	0.9
max °C	3	4	3	1	2	2	1	5	5	3	7	6	3	3	3	3	6	5
min °C	2	3	0	0	1	1	1	2	3	3	5	4	3	3	3	3	4	4
chill °C	-2	-2	-6	-5	-3	-4	-5	-1	3	-1	4	0	-2	-2	-2	0	2	2

Freezing level m	1600	1800	1450	1400	1550	1500	1400	2150	1800	1850	2250	2000	1800	1700	1800	1800	2100	2450
Cloud base (m)	1550	700	600	400	500	700	450	800	650	400	800	450	400	400	400	450	850	1950

	5:11	—	—	5:11	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	8:59	—	—	9:00	—	—	9:00	—	—	9:00	—	—	9:01	—	—	9:02

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 5mm) at first, then becoming colder with a dusting of snow on Sat afternoon. Freeze-thaw conditions (max 5°C on Sun afternoon, min 0°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 22mm), heaviest during Tue morning. Mild temperatures (max 7°C on Mon afternoon, min 3°C on Mon morning). 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. 1 hour ago	11° C	Light rain.	Calm (0 kph at 351).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	12° C	-	Calm (0 kph at 344).
Renton 30 km WSW 160m alt. 51 minutes ago	12° C	Dry	Calm (5 kph at 167).
Black Diamond 32 km SSW 192m alt. 52 minutes ago		-	Wind obs. (10 kph from 302 degs) was rejected.
Grotto wx 35 km NE 321m alt. 1 hour ago	14° C	Dry	Calm (3 kph at 120).
Renton Airport 36 km WSW 218m alt. 2 hours ago	17° C	Dry and cloudy.	Light winds from the N (9 kph at 1).	16 km Low: broken Mid: overcast
Auburn 39 km SW 119m alt. 1 hour ago		-	Calm (0 kph at 43).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	7° C	Dry and cloudy.	Light winds from the W.(Wind varies from 240 to 310 degs) (17 kph at 280).	16 km Low: scattered Mid: overcast
Woodinville 43 km WNW 137.2m alt. 2 hours ago	16° C	Dry	Wind obs. (14 kph from 302 degs) was rejected.
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	13° C	Light rain .	Light winds from the SW (13 kph at 230).	16 km Low: few Mid: 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.