– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 9 am Sun 22 Feb Local Time
Updates in:
hr min s
Update imminent

Issued: 9 am Sun 22 Feb Local Time

Updates in:

hr min s

Update imminent

2 Mount Si Elevations: 2 Forecast Elevations:

	Days 1–3 Weather Summary Heavy rain (total 37mm), mostly on Sun night. Becoming colder with a light covering of snow ,mostly falling on Tue afternoon. Freeze-thaw conditions (max 6°C on Sun morning, min 0°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 4mm), mostly falling on Wed afternoon. Mild temperatures (max 5°C on Fri morning, min 1°C on Fri night). Wind will be generally light.
	Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	mod. rain	light rain	heavy rain	mod. rain	light rain	light rain	light rain	light snow	light snow	light rain	rain shwrs	light rain	light rain	light rain	light rain	light rain	light rain	rain shwrs
km/h	SE	SSE	S	SW	S	NE	SE	W	WSW	WSW	WSW	SW	SW	SW	SW	SW	SW	SW
See all weather maps
cm	—	—	—	—	—	—	—	3	2	—	—	—	—	—	—	—	—	—
mm	5	4	15	6	1.2	1.4	3	—	—	0.5	1.6	0.9	0.2	0.3	0.2	0.1	0.2	0.1
max °C	6	5	5	4	3	3	3	1	2	3	4	3	4	4	4	5	5	3
min °C	4	5	4	3	2	2	2	1	0	2	3	2	3	4	3	4	5	1
chill °C	3	2	1	0	2	2	2	0	-2	-1	-1	0	1	3	1	2	3	-2

Freezing level m	1350	1400	1500	1000	900	950	1300	750	600	800	1050	900	1000	1150	1050	1000	1250	750
Cloud base (m)	900	450	500	450	400	550	400	400	400	450	500	450	500	450	650	450	700	650

	6:58	—	—	6:58	—	—	6:56	—	—	6:54	—	—	6:52	—	—	6:50	—	—
	—	5:40	—	—	5:43	—	—	5:44	—	—	5:45	—	—	5:46	—	—	5:49	—

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Heavy rain (total 37mm), mostly on Sun night. Becoming colder with a light covering of snow ,mostly falling on Tue afternoon. Freeze-thaw conditions (max 6°C on Sun morning, min 0°C on Tue night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Light rain (total 4mm), mostly falling on Wed afternoon. Mild temperatures (max 5°C on Fri morning, min 1°C on Fri 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. 2 hours ago	8° C	Light rain.	Calm (5 kph at 123).
Black Diamond 32 km SSW 192m alt. 1 hour ago		-	Light winds from the ENE (11 kph at 73).
Renton Airport 36 km WSW 218m alt. 1 hour ago	9° C	Dry and partly cloudy.	Light winds from the SE (9 kph at 130).	16 km Low: few Mid: scattered
Auburn 39 km SW 119m alt. 2 hours ago	14° C	Dry	Calm (0 kph at 225).
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	-1° C	Moderate rain .	Calm (0 kph at 0).	5 km Mid: few High: scattered
Seattl / oeing Airport 44 km WSW 218m alt. 2 hours ago	9° C	Light rain .	Light winds from the SSE (19 kph at 160).	16 km Low: broken
Seattle Tacoma International Airport 44 km WSW 218m alt. 2 hours ago	8° C	Light rain .	Light winds from the S (17 kph at 170).	16 km Low: broken Mid: broken High: overcast
Snohomish 49 km NW 196m alt. 1 hour ago	11° C	Dry	Wind obs. (18 kph from 180 degs) was rejected.
Seattle 49 km WSW 100m alt. 2 hours ago		-	Wind obs. (21 kph from 328 degs) was rejected.
SHIP8141 54 km W 15m alt. 3 hours ago			Moderate winds from the SE (21 kph at 140).	- 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.