– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4 am Sat 06 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 4 am Sat 06 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 22mm), heaviest during Mon night. Very mild (max 13°C on Mon morning, min 6°C on Sat morning). Wind will be generally light.									Days 4–6 Weather Summary Heavy rain (total 26mm), heaviest during Tue morning. Very mild (max 18°C on Thu afternoon, min 6°C on Tue night). Wind will be generally light.
	Saturday 6			Sunday 7			Monday 8			Tuesday 9			Wednesday 10			Thursday 11
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	light rain	light rain	rain shwrs	rain shwrs	some clouds	some clouds	light rain	heavy rain	heavy rain	light rain	light rain	rain shwrs	rain shwrs	rain shwrs	clear	clear	clear
km/h	SW	SW	W	SW	WSW	SSE	NW	NNW	W	SW	SW	SW	NW	NNW	ENE	NW	NW	ENE
See all weather maps
cm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
mm	2	5	2	0.7	0.3	—	—	0.4	12	11	4	4	6	2	0.2	—	—	—
max °C	6	8	8	7	12	11	13	13	9	9	10	8	7	10	11	14	18	15
min °C	6	7	6	6	9	7	10	10	9	8	9	6	6	8	7	10	17	11
chill °C	5	6	5	4	8	7	10	10	9	5	7	4	4	6	7	10	17	11

Freezing level m	1350	1550	1500	1400	2100	1900	2250	2150	2100	1800	1850	1550	1550	2150	3100	3050	3200	3300
Cloud base (m)	400	450	550	500	700	2300	1550	750	400	400	550	400	450	650	1900

	5:11	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—	5:09	—	—
	—	—	9:00	—	—	9:00	—	—	9:00	—	—	9:01	—	—	9:02	—	—	9:02

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 22mm), heaviest during Mon night. Very mild (max 13°C on Mon morning, min 6°C on Sat morning). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 26mm), heaviest during Tue morning. Very mild (max 18°C on Thu afternoon, min 6°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	9° C	Dry	Calm (0 kph at 189).
Snoqualmie Pass 30 km ESE 824m alt. 1 hour ago	6° C	-	Calm (0 kph at 81).
Renton 30 km WSW 160m alt. 1 hour ago	10° C	Dry	Calm (3 kph at 247).
Black Diamond 32 km SSW 192m alt. 51 minutes ago		-	Calm (2 kph at 0).
Grotto wx 35 km NE 321m alt. 52 minutes ago	8° C	Dry	Calm (0 kph at 245).
Renton Airport 36 km WSW 218m alt. 2 hours ago	11° C	Light rain .	Light winds from the SE (6 kph at 130).	16 km Low: broken Mid: broken High: overcast
Grotto wx 39 km NE 1101m alt. 1 hour ago	3° C	Dry	Calm (0 kph at 59).
Auburn 39 km SW 119m alt. 1 hour ago	19° C	Dry	Calm (0 kph at 204).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	1° C	Fog -.	Wind obs. (9 kph from 1 degs) was rejected.	0 km Low: broken Mid: broken High: overcast
SHIP10704 43 km W 15m alt. 2 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.