– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Sun 07 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Sun 07 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 50mm), heaviest during Mon night. Very mild (max 14°C on Mon morning, min 7°C on Sun morning). Wind will be generally light.									Days 4–6 Weather Summary Some drizzle, heaviest during Wed morning. Very mild (max 19°C on Fri afternoon, min 7°C on Wed morning). Wind will be generally light.
	Sunday 7			Monday 8			Tuesday 9			Wednesday 10			Thursday 11			Friday 12
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	rain shwrs	rain shwrs	some clouds	cloudy	light rain	heavy rain	mod. rain	rain shwrs	light rain	rain shwrs	rain shwrs	clear	clear	clear	clear	clear	clear	clear
km/h	SW	WSW	SE	S	ESE	SW	SW	SW	WSW	WNW	NNW	ENE	NW	NW	NE	NW	NW	NE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	1.3	1.1	—	—	4	29	7	4	4	1	0.5	—	—	—	—	—	—	—
max °C	8	12	12	14	14	10	9	10	8	9	13	12	14	17	15	15	19	16
min °C	7	11	8	12	11	9	9	9	7	7	12	7	10	17	9	13	18	10
chill °C	6	10	8	12	10	7	6	6	4	6	12	7	10	17	9	13	18	10

Freezing level m	1600	2200	2250	2250	2400	2300	1900	1800	1550	1850	2900	3100	2800	3000	3300	3150	3250	3500
Cloud base (m)	600	900	6200	2100	1900	400	400	500	400	550	950	1900		9200		9150

	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	9:00	—	—	9:00	—	—	9:01	—	—	9:02	—	—	9:02	—	—	9:04

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 50mm), heaviest during Mon night. Very mild (max 14°C on Mon morning, min 7°C on Sun morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Some drizzle, heaviest during Wed morning. Very mild (max 19°C on Fri afternoon, min 7°C on Wed morning). 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. 2 hours ago	12° C	Dry	Calm (0 kph at 122).
Snoqualmie Pass 30 km ESE 824m alt. 43 minutes ago	10° C	-	Calm (0 kph at 180).
Renton 30 km WSW 160m alt. 1 hour ago	13° C	Dry	Calm (3 kph at 209).
Black Diamond 32 km SSW 192m alt. 2 hours ago		-	Wind obs. (6 kph from 256 degs) was rejected.
Grotto wx 35 km NE 321m alt. 2 hours ago	13° C	Dry	Calm (3 kph at 186).
Renton Airport 36 km WSW 218m alt. 2 hours ago	14° C	Dry and partly cloudy.	Light winds from the S (17 kph at 190).	16 km Low: broken
Grotto wx 39 km NE 1101m alt. 3 hours ago	5° C	Dry	Calm (2 kph at 37).
Auburn 39 km SW 119m alt. 49 minutes ago		-	Calm (5 kph at 218).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	4° C	Dry and cloudy.	Wind obs. (7 kph from 1 degs) was rejected.	16 km Low: few Mid: broken High: overcast
SHIP3037 43 km W 15m alt. 3 hours ago				- km

* 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.