– Lat/Long: 47.51° N 121.74° W

Mount Si
Weather Forecast, United States
Issued: 4pm Mon 17 May Local Time
Updates in: hr min s
Update imminent

Issued: 4pm Mon 17 May Local Time

Updates in: hr min s

Update imminent

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	Mount Si Weather (Days 0-3): Mild with light rain (total 8mm) on Mon night Becoming colder with a light covering of snow, mostly falling on Mon night. Freeze-thaw conditions (max 6°C on Mon afternoon, min -2°C on Mon night). Winds decreasing (strong winds from the SW on Mon night, calm by Tue night).									(Days 3-6): Mostly dry. Very mild (max 12°C on Sat afternoon, min 2°C on Thu afternoon). Wind will be generally light.
	Mon 17		Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sun 23
	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM

Wind km/h	30	45	35	25	5	10	15	15	10	5	10	5	10	15	5	10	5	10
	light rain	snow shwrs	snow shwrs	snow shwrs	snow shwrs	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	cloudy
See all weather maps
Rain mm	1	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Snow cm	-	3	2	3	1	-	-	-	-	-	-	-	-	-	-	-	-	-
High °C	6	4	-1	1	0	-1	2	1	1	4	4	5	10	10	9	12	11	5
Low °C	5	-2	-2	0	-2	-2	0	0	0	2	3	4	8	8	9	11	6	5
Chill °C	3	-2	-8	-4	-4	-5	-2	-2	-2	2	3	3	9	8	7	11	11	3
Freezing level m	2050	1100	1150	1350	1050	1150	1450	1200	1350	1800	1950	2100	2650	2950	2950	3150	3100	2600

	-	-	5:26	-	-	5:24	-	-	5:24	-	-	5:22	-	-	5:22	-	-	5:20
	8:38	-	-	8:39	-	-	8:42	-	-	8:43	-	-	8:44	-	-	8:45	-	-

Mount Si Weather (Days 0-3):

The weather forecast for Mount Si is: Mild with light rain (total 8mm) on Mon night Becoming colder with a light covering of snow, mostly falling on Mon nightFreeze-thaw conditions (max 6°C on Mon afternoon, min -2°C on Mon night)Winds decreasing (strong winds from the SW on Mon night, calm by Tue night).

Mount Si Weather (Days 3-6):

Mostly dryVery mild (max 12°C on Sat afternoon, min 2°C on Thu afternoon)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 5 closest weather stations

Weather Station	Temp.	Weather	Wind
North Bend 3 km SW 134m alt. 41 minutes ago	11° C	Dry	Calm (3 kph at 98).
Snoqualmie 5 km WNW 249m alt. 30 minutes ago	10° C	Dry	Calm (0 kph at ).
Harman Heights wx 6 km SSW 251m alt. 29 minutes ago	10° C	Dry	Calm (0 kph at 273).
North Bend 6 km SE 247m alt. 20 minutes ago	10° C	Dry	Calm (2 kph at 80).
North Bend 7 km S 296m alt. 46 minutes ago	10° C	Dry	Calm (0 kph at 68).

* 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.