– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 pm Sun 23 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sun 23 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Heavy rain (total 22mm), heaviest during Tue afternoon. Mild temperatures (max 7°C on Wed morning, min 1°C on Mon night). Wind will be generally light.											Days 5–7 Weather Summary Moderate rain (total 18mm), heaviest on Wed night. Mild temperatures (max 6°C on Wed afternoon, min 4°C on Thu night). Wind will be generally light.
	Sun 23		Monday 24			Tuesday 25			Wednesday 26			Thursday 27			Friday 28
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	rain shwrs	light rain	light rain	rain shwrs	light rain	mod. rain	mod. rain	light rain	light rain	mod. rain	light rain	light rain	rain shwrs	light rain	light rain	light rain
km/h	SW	SW	SW	SW	ESE	SE	SSE	S	SSE	SE	ESE	ESE	SE	ENE	WNW	WNW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.3	4	0.7	1.2	0.1	2	8	5	0.5	0.1	7	0.9	1	1.1	0.1	1	5
max°C	6	4	4	3	3	4	3	6	7	6	6	6	6	6	4	4	4
min°C	5	2	3	3	1	3	3	4	6	6	5	6	6	4	4	4	4
chill°C	3	0	1	1	1	1	1	2	5	5	3	4	4	4	4	4	4

Freezing level (m)	1400	900	950	900	750	1450	1250	1750	2050	2050	2050	2000	2000	1800	1400	1300	1250
Cloud base (m)	400	600	500	600	700	2500	750	450	450	750	500	550	550	450	500	450	450

	—	—	7:24	—	—	7:26	—	—	7:26	—	—	7:28	—	—	7:30	—	—
	4:22	—	—	4:22	—	—	4:21	—	—	4:20	—	—	4:20	—	—	4:19	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 22mm), heaviest during Tue afternoon. Mild temperatures (max 7°C on Wed morning, min 1°C on Mon night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Moderate rain (total 18mm), heaviest on Wed night. Mild temperatures (max 6°C on Wed afternoon, min 4°C on Thu 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. 1 hour ago	5° C	Dry	Calm (0 kph at 280).
Black Diamond 32 km SSW 192m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	7° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: broken Mid: overcast
Auburn 39 km SW 119m alt. 2 hours ago	5° C	Dry	Calm (0 kph at 232).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	0° C	Dry and cloudy.	Wind obs. (9 kph from 1 degs) was rejected.	0.0 km High: overcast
SHIP5013 42 km WSW 15m alt. 3 hours ago				- km
SHIP3290 42 km WSW 15m alt. 2 hours ago				- km
SHIP3262 42 km WSW 15m alt. 2 hours ago			Calm (2 kph at 330).	- km
SHIP490 42 km WSW -m alt. 2 hours ago	9° C	-	Calm (2 kph at 350).
SHIP9171 42 km WSW 3m alt. 2 hours ago	9° C		Calm (2 kph at 350).

* 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.