Hot Weather in the West; Heavy Rainfall and Flooding in the Southwest

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S, with the Pacific Northwest carrying the potential for record-breaking high temperatures. Monsoonal moisture over the Southwest U.S. may lead to heavy rainfall and instances of flash flooding through Wednesday. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

91°F

33°C

Humidity 19%
Wind Speed NNE 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 45°F (7°C)
Visibility NA
Heat Index87°F (31°C)
Last update 02 Sep 01:55 PM PDT
Extended Forecast for

Mt Jefferson OR

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. South wind around 6 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 11pm.  Mostly cloudy, with a low around 56. North wind 7 to 10 mph becoming east in the evening.

    Low: 56 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a steady temperature around 58. East wind 6 to 9 mph becoming south in the afternoon.  Chance of precipitation is 20%.

    High: 58 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 53. Southeast wind 6 to 9 mph becoming west in the evening.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 11am.  Mostly sunny, with a high near 62. West wind 5 to 9 mph.

    High: 62 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 57. Chance of precipitation is 40%.

    High: 57 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm.  Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 49. Chance of precipitation is 50%.

    High: 49 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. South wind around 6 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 56. North wind 7 to 10 mph becoming east in the evening.
Wednesday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a steady temperature around 58. East wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 53. Southeast wind 6 to 9 mph becoming west in the evening.
Thursday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 62. West wind 5 to 9 mph.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 57. Chance of precipitation is 40%.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 49. Chance of precipitation is 50%.
Saturday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 45.
Sunday
A slight chance of showers. Mostly sunny, with a high near 47.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 43.
Monday
A chance of showers and thunderstorms. Snow level 10300 feet. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Mt Jefferson OR
 44.67°N 121.81°W (Elev. 9183 ft)
2:20 pm PDT Sep 2, 2025
2pm PDT Sep 2, 2025-6pm PDT Sep 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database