– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 3 pm Sat 29 Nov Local Time
Updates in:
hr min s
Update imminent

Issued: 3 pm Sat 29 Nov Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–4 Weather Summary Light rain (total 6mm), mostly falling on Mon night. Mild temperatures (max 6°C on Sun morning, min 1°C on Sat night). Wind will be generally light.											Days 5–7 Weather Summary Heavy rain (total 31mm), heaviest during Thu night. Mild temperatures (max 7°C on Thu afternoon, min 2°C on Tue night). Wind will be generally light.
	Sat 29		Sunday 30			Monday 1			Tuesday 2			Wednesday 3			Thursday 4
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	clear	some clouds	clear	some clouds	some clouds	cloudy	mod. rain	light rain	cloudy	some clouds	cloudy	some clouds	light rain	mod. rain	light rain	heavy rain
km/h	SSE	E	SSE	NW	NE	N	WNW	SSW	NNW	NW	ESE	W	WNW	SW	SW	WSW	W
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	0.2	—	—	—	—	—	—	6	0.1	—	—	—	—	0.1	7	4	17
max°C	4	2	6	4	4	5	5	4	4	4	4	5	4	4	5	7	7
min°C	2	1	4	3	3	4	4	4	4	3	2	4	3	4	5	7	6
chill°C	2	0	4	3	3	4	4	4	3	3	2	4	3	4	3	4	6

Freezing level (m)	1500	950	1400	1600	1900	1650	1850	1400	1250	1150	1300	1400	1300	1600	2050	2350	2000
Cloud base (m)	2900		7050	7850	2600	2250	1750	850	450	500	700	600	2000	850	600	400	400

	—	—	7:31	—	—	7:33	—	—	7:35	—	—	7:35	—	—	7:37	—	—
	4:17	—	—	4:17	—	—	4:16	—	—	4:16	—	—	4:16	—	—	4:15	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 6mm), mostly falling on Mon night. Mild temperatures (max 6°C on Sun morning, min 1°C on Sat night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 31mm), heaviest during Thu night. Mild temperatures (max 7°C on Thu afternoon, min 2°C on Tue 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	3° C	Dry	Calm (0 kph at 241).
Black Diamond 32 km SSW 192m alt. 1 hour ago	16° C	Dry	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 2 hours ago	8° C	Dry and cloudy.	Light winds from the N (6 kph at 10).	16 km Low: overcast
Auburn 39 km SW 119m alt. 1 hour ago	6° C	Dry	Calm (0 kph at 202).
Stampede Pass Airport 40 km SE 628m alt. 1 hour ago	-3° C	Light snow.	Calm (0 kph at 0).	5 km Mid: broken High: overcast
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	8° C	Dry and partly cloudy.	Calm (0 kph at 0).	16 km Low: broken
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	7° C	Dry and partly cloudy.	Light winds from the N (9 kph at 350).	16 km Low: few Mid: broken High: broken
Snohomish 49 km NW 196m alt. 1 hour ago	5° C	Dry	Wind obs. (10 kph from 39 degs) was rejected.
Seattle 49 km WSW 100m alt. 33 minutes ago	13° C	-
BUOY-WPOW1 55 km W 3m alt. 51 minutes ago	8° C		Light winds from the N (15 kph at 0).

* 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.