– Lat/Long: 44.10° N 121.77° W

South Sister Volcano
Weather Forecast, United States
Issued: 10 pm Sat 21 Mar Local Time
Updates in:
hr min s
Update imminent

Issued: 10 pm Sat 21 Mar Local Time

Updates in:

hr min s

Update imminent

3 South Sister Volcano Elevations: 3 Forecast Elevations:

	Days 1–4 Weather Summary A dusting of new snow. Freeze-thaw conditions (max 4°C on Sun afternoon, min -2°C on Sat night). Winds increasing (calm on Sun morning, severe gales from the WSW by Tue afternoon).										Days 5–7 Weather Summary A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 6°C on Fri afternoon, min -9°C on Wed afternoon). Winds decreasing (gales from the WSW on Tue night, calm by Thu night).
		Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27
	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

	clear	cloudy	some clouds	some clouds	cloudy	some clouds	some clouds	cloudy	light snow	light snow	some clouds	clear	some clouds	clear	clear	some clouds	cloudy	some clouds	cloudy
km/h	WNW	W	SSW	WSW	WSW	SW	WSW	SW	WSW	WSW	W	W	W	NW	W	SSW	S	SSW	SSW
See all weather maps
cm	—	—	—	—	—	—	—	—	1	5	—	—	—	—	—	—	—	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	0	2	4	2	3	3	2	1	2	0	-8	-9	-9	-4	-1	0	4	6	4
min °C	-2	0	4	1	2	3	2	1	1	-7	-8	-9	-9	-7	-3	-1	1	6	4
chill °C	-9	-3	3	-4	-2	-2	-4	-6	-8	-19	-20	-19	-19	-15	-6	-3	-2	3	1

Freezing level m	1550	2950	3050	2950	2950	2900	3100	2800	2700	1600	1200	1450	650	1700	2350	2300	3450	3550	3550
Cloud base (m)	9050	6950	6250	5250	5400	5900	2900	2250	1850	1800	1800	2050	1800				6650	6400	5100

	—	7:07	—	—	7:05	—	—	7:03	—	—	7:01	—	—	6:58	—	—	6:58	—	—
	—	—	7:21	—	—	7:22	—	—	7:22	—	—	7:24	—	—	7:25	—	—	7:27	—

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: A dusting of new snow. Freeze-thaw conditions (max 4°C on Sun afternoon, min -2°C on Sat night). Winds increasing (calm on Sun morning, severe gales from the WSW by Tue afternoon).

South Sister Volcano Weather (Days 3-6):

A light covering of new snow mostly falling on Tue night. Freeze-thaw conditions (max 6°C on Fri afternoon, min -9°C on Wed afternoon). Winds decreasing (gales from the WSW on Tue night, calm by Thu 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. 54 minutes ago	-3° C	-	Calm (0 kph at 0).
Bend 34 km E 1164.6m alt. 54 minutes ago	4° C	Dry	Calm (3 kph at 50).
Sunriver Airport (Oregon) 35 km SE 1266m alt. 2 hours ago	-1° C	Clear	Wind obs. (7 kph from 350 degs) was rejected.	16 km
Black Butte Ranch wx 36 km NW 1429m alt. 1 hour ago	-1° C	-	Calm (0 kph at 291).
Bend 37 km SSE 1297m alt. 1 hour ago	-3° C	-	Calm (0 kph at 0).
Bend 37 km ESE 1158m alt. 53 minutes ago	1° C	-	Calm (0 kph at 296).
Bend wx 39 km E 1118m alt. 1 hour ago	2° C	-	Calm (0 kph at 270).
Deschutes River Woods wx 40 km ESE 1185m alt. 39 minutes ago	-3° C	-	Calm (0 kph at 291).
Rainbow wx 41 km WSW 410m alt. 59 minutes ago	2° C	-	Calm (0 kph at 248).
Cloverdale wx 42 km NE 947m alt. 51 minutes ago	-2° C	-	Calm (0 kph at 223).

* 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.