Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

SISTERS (K6K5)

Lat: 44.30445°NLon: 121.53909°WElev: 3168.0ft.

NA

70°F

21°C

Humidity 19%
Wind Speed SW 19 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 17 Mar 02:55 PM PDT
Extended Forecast for

Sisters OR

  • Tonight

    Tonight: Partly cloudy, with a low around 40. West wind around 5 mph becoming calm  in the evening.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. West wind around 6 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. West wind around 6 mph becoming calm  in the evening.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 8am, then a chance of rain and snow between 8am and 2pm, then a slight chance of rain after 2pm.  Mostly sunny, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 43. West wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 71. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. West wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 70.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Saturday
A chance of rain before 8am, then a chance of rain and snow between 8am and 2pm, then a slight chance of rain after 2pm. Mostly sunny, with a high near 52. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 58.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Tuesday
Rain and snow likely. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Sisters OR
 44.29°N 121.55°W (Elev. 3199 ft)
3:46 pm PDT Mar 17, 2026
3pm PDT Mar 17, 2026-6pm PDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database