– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 9 am Thu 27 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Thu 27 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Moderate rain (total 10mm), heaviest on Thu afternoon. Mild temperatures (max 9°C on Fri morning, min 3°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary Heavy rain (total 34mm), heaviest during Mon night. Mild temperatures (max 7°C on Mon night, min 3°C on Sun night). Wind will be generally light.
	Thursday 27			Friday 28			Saturday 29			Sunday 30			Monday 1			Tuesday 2
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	light rain	light rain	clear	some clouds	cloudy	cloudy	light rain	rain shwrs	some clouds	some clouds	some clouds	cloudy	cloudy	mod. rain	heavy rain	heavy rain	rain shwrs
km/h	SE	SE	E	SSE	E	ESE	SE	W	SSE	S	NW	NNE	N	NNW	SW	W	WSW	NW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	2	4	3	—	—	—	—	0.8	0.4	—	—	—	—	—	10	10	12	2
max°C	7	7	6	9	7	6	7	5	4	6	5	4	6	6	7	6	5	4
min°C	6	6	6	7	6	5	6	4	3	5	4	3	5	6	5	6	5	4
chill°C	4	4	5	7	5	4	5	4	3	5	4	3	5	6	3	4	2	3

Freezing level (m)	2000	1800	1700	1850	2050	2450	1900	1200	1100	1300	1450	1450	3250	2550	1750	1600	1300	1100
Cloud base (m)	900	650	400	550	800	5850	6200	1800	450	500	650	2150	850	850	550	400	450	500

	7:28	—	—	7:30	—	—	7:31	—	—	7:31	—	—	7:33	—	—	7:35	—	—
	—	4:20	—	—	4:19	—	—	4:17	—	—	4:17	—	—	4:16	—	—	4:16	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Moderate rain (total 10mm), heaviest on Thu afternoon. Mild temperatures (max 9°C on Fri morning, min 3°C on Sat night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 34mm), heaviest during Mon night. Mild temperatures (max 7°C on Mon night, min 3°C on Sun 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 41 minutes ago	7° C	Dry	Calm (0 kph at 281).
Black Diamond 32 km SSW 192m alt. 53 minutes ago		-	Wind obs. (6 kph from 360 degs) was rejected.
Renton Airport 36 km WSW 218m alt. 2 hours ago	11° C	Dry and cloudy.	Light winds from the SSE (6 kph at 160).	16 km Low: overcast
Auburn 39 km SW 119m alt. 44 minutes ago	13° C	Dry	Calm (0 kph at 88).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	-1° C	Fog freezing -.	Wind obs. (6 kph from 1 degs) was rejected.	1 km
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	9° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: broken Mid: overcast
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	9° C	Dry and cloudy.	Light winds from the N (6 kph at 1).	16 km Low: overcast
Snohomish 49 km NW 196m alt. 2 hours ago	7° C	Dry	Wind obs. (11 kph from 17 degs) was rejected.
Seattle 49 km WSW 100m alt. 1 hour ago		-	Wind obs. (19 kph from 322 degs) was rejected.
BUOY-WPOW1 55 km W 3m alt. 1 hour ago	10° C		Calm (4 kph at 250).

* 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.