Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

82°F

28°C

Humidity 32%
Wind Speed W 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 50°F (10°C)
Visibility NA
Heat Index81°F (27°C)
Last update 30 Jul 01:15 PM PDT
Extended Forecast for

Sisters OR

Red Flag Warning until July 31, 11:00am
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until July 31, 11:00am

    NOW until 11:00am Thu

    Red Flag Warning

  • This Afternoon

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 57. North wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 57 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly cloudy, with a high near 84. West wind 3 to 7 mph.

    High: 84 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 53. West wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 53 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers.  Mostly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 85 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 57. North wind 5 to 7 mph becoming light and variable after midnight.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 84. West wind 3 to 7 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 53. West wind 3 to 8 mph. Winds could gust as high as 18 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Sisters OR
 44.29°N 121.55°W (Elev. 3199 ft)
1:35 pm PDT Jul 30, 2025
1pm PDT Jul 30, 2025-6pm PDT Aug 5, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database