– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 am Thu 14 May Local Time
Updates in:
hr min s
Update imminent

Issued: 10 am Thu 14 May Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–3 Weather Summary A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 2°C on Thu morning, min -9°C on Sat morning). Winds decreasing (near gales from the W on Thu night, light winds from the NNW by Sat night).									Days 4–6 Weather Summary Mostly dry. Freeze-thaw conditions (max 5°C on Tue afternoon, min -5°C on Sun morning). Winds increasing (calm on Sun afternoon, fresh winds from the NNW by Tue night).
	Thursday 14			Friday 15			Saturday 16			Sunday 17			Monday 18			Tuesday 19
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	some clouds	some clouds	clear	some clouds	mod. snow	light snow	light snow	snow shwrs	some clouds	some clouds	clear	clear	some clouds	clear	some clouds	clear	clear
km/h	W	W	W	W	W	W	WNW	WNW	NNW	NNW	W	NW	NNW	NW	NW	NW	WNW	NNW
See all weather maps
cm	—	—	—	—	—	6	3	4	3	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	2	2	-1	-1	-2	-5	-8	-7	-5	-4	-2	-3	-1	1	1	3	5	4
min °C	1	1	-2	-2	-3	-8	-9	-7	-7	-5	-3	-4	-2	0	0	2	4	2
chill °C	-5	-7	-10	-10	-12	-19	-20	-17	-16	-10	-3	-8	-8	-3	-5	-3	1	-4

Freezing level m	2800	2550	2200	2400	2200	1500	1450	1600	1250	1850	2250	1350	2400	2650	2550	3050	3350	3250
Cloud base (m)	6350	2650	1800		2450	1800	1800	1800	1800	1800	2000	5150	2250	2300	1800	7000	8800	1750

	5:41	—	—	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—	5:35	—	—
	—	—	8:24	—	—	8:25	—	—	8:27	—	—	8:28	—	—	8:29	—	—	8:30

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 2°C on Thu morning, min -9°C on Sat morning). Winds decreasing (near gales from the W on Thu night, light winds from the NNW by Sat night).

South Sister Volcano Weather (Days 3-6):

Mostly dry. Freeze-thaw conditions (max 5°C on Tue afternoon, min -5°C on Sun morning). Winds increasing (calm on Sun afternoon, fresh winds from the NNW by Tue night).

This table gives the weather forecast for South Sister Volcano at the specific elevation of 2500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Sister Volcano. 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 Oregon.

Live conditions reported by 10 closest weather stations

Weather Station	Temp.	Weather	Wind	Cloud Visibility Cloud / Visibility
Sisters wx 25 km NNE 1022m alt. 1 hour ago	16° C	Dry	Calm (2 kph at 184).
Bend 34 km E 1147m alt. 1 hour ago	14° C	Dry	Wind obs. (6 kph from 25 degs) was rejected.
Bend 34 km E 1164.6m alt. 1 hour ago	15° C	Dry	Calm (2 kph at 16).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 1 hour ago	15° C	Clear	Moderate winds from the S (20 kph at 170).	14 km
Bend 37 km SSE 1297m alt. 53 minutes ago	19° C	Dry	Calm (5 kph at 0).
Bend 37 km ESE 1158m alt. 1 hour ago	17° C	Dry	Calm (0 kph at 318).
Camp Sherman 39 km NNE 920.5m alt. 57 minutes ago	17° C	Dry	Wind obs. (6 kph from 79 degs) was rejected.
Deschutes River Woods wx 40 km ESE 1185m alt. 53 minutes ago	17° C	Dry	Calm (0 kph at —).
Rainbow wx 41 km WSW 410m alt. 1 hour ago	8° C	Dry	Light winds from the WSW (14 kph at 250).
Cloverdale wx 42 km NE 947m alt. 2 hours ago	16° C	Dry	Calm (2 kph at 355).

* 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.