South Sister Volcano
Weather Forecast, United States

Elevation:
3157
2500
1500

	South Sister Volcano Weather (Days 0-3): Light rain (total 5mm), mostly falling on Sun afternoon. Very mild (max 10°C on Sat afternoon, min 2°C on Sun afternoon). Winds decreasing (strong winds from the N on Fri morning, light winds from the NNW by Fri night).									(Days 3-6): A dusting of new snow. Freeze-thaw conditions (max 11°C on Tue morning, min -5°C on Wed night). Winds increasing (light winds from the NNW on Mon morning, near gales from the WNW by Wed night).

	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night

Wind km/h	35	20	10	10	10	20	30	25	10	15	20	20	30	35	40	25	35	55
	cloudy	clear	clear	clear	clear	clear	light rain	light rain	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	snow shwrs
See all weather maps
Rain mm	-	-	-	-	-	-	1	4	-	-	-	-	-	-	-	-	-	-
Snow cm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1
High °C	3	4	5	9	10	7	5	3	4	7	9	9	11	11	9	10	10	3
Low °C	3	4	4	6	9	6	3	2	2	4	9	8	9	11	7	7	8	-5
Chill °C	-4	-1	2	7	8	4	1	-3	0	5	7	6	8	8	5	7	7	-4
Freezing level m	3050	3250	3800	4050	4000	3800	3000	2900	3250	3950	4250	4500	4400	4350	4350	4350	4050	1900

	6:50	-	-	6:52	-	-	6:54	-	-	6:54	-	-	6:56	-	-	6:56	-	-
	-	7:07	-	-	7:06	-	-	7:04	-	-	7:01	-	-	7:00	-	-	6:59	-

South Sister Volcano Weather (Days 0-3):

The weather forecast for South Sister Volcano is: Light rain (total 5mm), mostly falling on Sun afternoonVery mild (max 10°C on Sat afternoon, min 2°C on Sun afternoon)Winds decreasing (strong winds from the N on Fri morning, light winds from the NNW by Fri night).

South Sister Volcano Weather (Days 3-6):

A dusting of new snowFreeze-thaw conditions (max 11°C on Tue morning, min -5°C on Wed night)Winds increasing (light winds from the NNW on Mon morning, near gales from the WNW by Wed night).

Issued 4 am Fri 20 Sep 2019 local time.

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 5 closest weather stations

Weather Station	Temp.	Weather	Wind
Bend 18 km SE 1889m alt. 50 minutes ago	6° C	Dry	Calm (0 kph at 292).
Sisters 29 km NE 972m alt. 1 hour ago	11° C	Dry	Wind obs. (11 kph from 0 degs) was rejected .
Tumalo 31 km ENE 1091m alt. 49 minutes ago	9° C	-	Calm (2 kph at 279).
Sisters 32 km NE 964m alt. 1 hour ago	11° C	Dry	Light winds from the WNW (10 kph at 285).
Bend 34 km E 1147m alt. 1 hour ago	7° C	Dry	Calm (3 kph at 308).

* 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. We also include passing Ship data if it is recorded close to South Sister Volcano and within an acceptable time window.