– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 10pm Wed 22 Sep Local Time
Updates in: hr min s
Update imminent

Issued: 10pm Wed 22 Sep Local Time

Updates in: hr min s

Update imminent

	Mount Si Weather (Days 0-3): Mostly dry. Warm (max 23°C on Fri afternoon, min 11°C on Wed night). Wind will be generally light.									(Days 3-6): Heavy rain (total 36mm), heaviest during Mon afternoon. Very mild (max 17°C on Sat night, min 8°C on Tue morning). Wind will be generally light.
	Wed 22	Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27			Tue 28
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM

	some clouds	some clouds	clear	clear	clear	clear	some clouds	clear	clear	some clouds	cloudy	rain shwrs	rain shwrs	light rain	heavy rain	light rain	rain shwrs	rain shwrs
Wind km/h	NNE	NNW	NW	E	ENE	NW	ESE	WSW	WSW	SSW	S	S	S	S	S	SW	SW	SW
See all weather maps
cm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
mm	-	-	-	-	-	-	-	-	-	-	-	2	3	3	19	4	2	3
Max °C	13	14	18	14	21	23	18	19	21	17	13	13	14	14	10	9	9	10
Min °C	11	11	17	13	15	22	15	15	21	13	11	12	13	14	10	9	8	9
Chill °C	13	14	18	14	21	23	18	19	21	17	13	12	13	13	8	7	6	7

Freezing Level m	3750	3800	4150	4650	4550	4400	4150	4050	3950	3700	3000	3150	2900	2750	2100	1900	1750	1850

	-	6:54	-	-	6:54	-	-	6:56	-	-	6:58	-	-	6:58	-	-	7:01	-
	-	-	7:02	-	-	7:00	-	-	6:59	-	-	6:57	-	-	6:54	-	-	6:52

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mostly dry. Warm (max 23°C on Fri afternoon, min 11°C on Wed night). Wind will be generally light.

Mount Si Weather (Days 3-6):

Heavy rain (total 36mm), heaviest during Mon afternoon. Very mild (max 17°C on Sat night, min 8°C on Tue 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 5 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Snoqualmie Pass 30 km ESE 824m alt. 2 hours ago	7° C	-	Calm (0 kph at 0).
Black Diamond 32 km SSW 192m alt. 1 hour ago	25° C	Dry	Calm (0 kph at 0).
Renton Airport 36 km WSW 218m alt. 1 hour ago	12.8° C	Dry and cloudy.	Calm (0 kph at 0).	16 km Low: broken Mid: overcast
Stampede Pass Airport 40 km SE 628m alt. 2 hours ago	7.8° C	Fog -.	Light winds from the N (7 kph at 1).	0 km
Woodinville 43 km WNW 137.2m alt. 3 hours ago	11° C	Dry	Calm (3 kph at 358).

* 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.