– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Thu 02 Apr Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 02 Apr Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 9mm), mostly falling on Thu morning. Very mild (max 14°C on Sat afternoon, min 2°C on Thu morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm (max 20°C on Mon afternoon, min 5°C on Tue night). Wind will be generally light.
	Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. rain	light rain	rain shwrs	some clouds	some clouds	some clouds	clear	clear	clear	some clouds	clear	some clouds	clear	some clouds	rain shwrs	some clouds	light rain	rain shwrs
km/h	W	WSW	S	WSW	WNW	E	NNW	NNW	ESE	ESE	ESE	ESE	SSE	WSW	SSW	SW	WSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	6	2	0.8	—	—	—	—	—	—	—	—	—	—	—	0.1	—	0.2	0.3
max °C	3	4	4	6	9	7	10	14	9	16	19	14	18	20	15	10	11	9
min °C	2	4	2	3	9	4	6	13	9	10	18	11	12	18	9	9	10	5
chill °C	-2	2	2	3	9	4	6	13	9	9	18	10	12	18	7	7	9	4

Freezing level m	950	1150	900	1300	1550	1650	2500	2700	3050	3150	3150	3200	3000	2900	2600	2000	2250	1850
Cloud base (m)	450	450	600	800	1650	950		8800	5750	7050	7000	6850	8050	7050		800	700

	6:43	—	—	6:41	—	—	6:39	—	—	6:37	—	—	6:35	—	—	6:33	—	—
	—	7:37	—	—	7:38	—	—	7:39	—	—	7:40	—	—	7:43	—	—	7:44	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 9mm), mostly falling on Thu morning. Very mild (max 14°C on Sat afternoon, min 2°C on Thu morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Mostly dry. Warm (max 20°C on Mon afternoon, min 5°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 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Harman Heights wx 6 km SSW 251m alt. 1 hour ago	10° C	Dry	Calm (0 kph at 350).
Renton 30 km WSW 160m alt. 57 minutes ago	11° C	Dry	Light winds from the SSW (14 kph at 207).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Wind obs. (8 kph from 360 degs) was rejected.
Renton Airport 36 km WSW 218m alt. 3 hours ago	12° C	Dry and partly cloudy.	Moderate winds from the S (20 kph at 190).	16 km Low: broken Mid: broken High: broken
Auburn 39 km SW 119m alt. 1 hour ago		-	Wind obs. (6 kph from 190 degs) was rejected.
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	-1° C	Light snow.	Light winds from the W.(Wind varies from 220 to 330 degs) (13 kph at 270).	1 km Mid: broken High: overcast
SHIP4488 42 km WSW 3m alt. 1 hour ago	12° C
SHIP3141 42 km WSW 15m alt. 1 hour ago				- km
Seattl / oeing Airport 44 km WSW 218m alt. 3 hours ago	13° C	Light rain .	Light winds from the SSW (13 kph at 200).	16 km Low: broken
Seattle Tacoma International Airport 44 km WSW 218m alt. 3 hours ago	12° C	Dry and partly cloudy.	Fresh winds from the SSW (30 kph at 200).	16 km Low: broken 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.