– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10 am Wed 03 Jun Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Wed 03 Jun Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Light rain (total 4mm), mostly falling on Fri night. Freeze-thaw conditions (max 12°C on Wed morning, min 0°C on Fri night). Wind will be generally light.									Days 4–6 Weather Summary A dusting of snow giving way to moderate rain (total 13mm) heaviest on Mon morning. Freeze-thaw conditions (max 6°C on Sun afternoon, min 0°C on Sat morning). Wind will be generally light.
	Wednesday 3			Thursday 4			Friday 5			Saturday 6			Sunday 7			Monday 8
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	light rain	cloudy	rain shwrs	rain shwrs	clear	some clouds	light rain	rain shwrs	rain shwrs	light snow	light snow	rain shwrs	cloudy	rain shwrs	rain shwrs	mod. rain	light rain	rain shwrs
km/h	SW	WSW	SW	WSW	W	SW	SW	SW	SW	SW	SW	SW	SW	WSW	SSW	S	SW	WSW
See all weather maps
cm	—	—	—	—	—	—	—	—	—	2	1	—	—	—	—	—	—	—
mm	0.3	—	0.5	0.2	—	—	0.3	1	1.8	—	—	1.2	—	0.7	1.5	5	1.9	3
max °C	12	11	7	4	10	8	2	3	3	1	2	2	2	6	6	5	5	4
min °C	9	9	3	3	7	2	2	3	0	0	1	1	1	4	3	4	5	3
chill °C	7	6	-1	0	5	-3	-3	-2	-5	-6	-4	-3	-4	1	-1	0	1	-2

Freezing level m	2700	2550	2300	2250	2900	2000	1600	1750	1450	1400	1500	1450	1500	2150	2250	2200	2100	1750
Cloud base (m)	1950	1750	500	750	950		900	450	450	500	450	650	500	850		400	400	650

	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:09	—	—	5:09	—	—
	—	—	8:57	—	—	8:58	—	—	8:59	—	—	9:00	—	—	9:00	—	—	9:00

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Light rain (total 4mm), mostly falling on Fri night. Freeze-thaw conditions (max 12°C on Wed morning, min 0°C on Fri night). Wind will be generally light.

Mount Si Weather (Days 3-6):

A dusting of snow giving way to moderate rain (total 13mm) heaviest on Mon morning. Freeze-thaw conditions (max 6°C on Sun afternoon, min 0°C on Sat morning). Wind will be generally light.

This table gives the weather forecast for Mount Si at the specific elevation of 1270 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. 28 minutes ago	23° C	Dry	Calm (0 kph at 115).
Snoqualmie Pass 30 km ESE 824m alt. 27 minutes ago	18° C	-	Calm (0 kph at 226).
Renton 30 km WSW 160m alt. 56 minutes ago	18° C	Dry	Calm (3 kph at 224).
Grotto wx 35 km NE 321m alt. 1 hour ago	18° C	Dry	Light winds from the W (13 kph at 262).
Renton Airport 36 km WSW 218m alt. 2 hours ago	19° C	Dry and cloudy.	Light winds from the SSW (13 kph at 200).	16 km Low: broken Mid: overcast
Grotto wx 39 km NE 1101m alt. 2 hours ago	14° C	Dry	Calm (3 kph at 111).
Auburn 39 km SW 119m alt. 37 minutes ago	33° C	Dry	Calm (0 kph at 229).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	14° C	Dry and partly cloudy.	Wind obs. (9 kph from 1 degs) was rejected.	16 km Low: broken
Woodinville 43 km WNW 137.2m alt. 2 hours ago	18° C	Dry	Light winds from the WNW (11 kph at 289).
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	19° C	Dry and cloudy.	Wind obs. (20 kph from 180 degs) was rejected.	16 km Low: broken Mid: overcast

* 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.