Heat Wave Continues in the West; Critical Fire Weather Conditions in the High 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. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

45°F

7°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Last update 18 Mar 07:55 AM PDT
Extended Forecast for

5 Miles ESE Mt Jefferson OR

  • Today

    Today: Mostly sunny, with a high near 55. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 36 mph.

    High: 55 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Southwest wind 14 to 21 mph, with gusts as high as 34 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 34 mph.

    High: 56 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Breezy, with a west wind 14 to 22 mph, with gusts as high as 34 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: A 40 percent chance of rain, mainly after 11am.  Mostly sunny, with a high near 54. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 54 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Rain likely before 11pm, then rain likely, possibly mixed with snow.  Snow level 8800 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 33. Breezy.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely and
    Breezy

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 41. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 55. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 36 mph.
Tonight
Partly cloudy, with a low around 43. Southwest wind 14 to 21 mph, with gusts as high as 34 mph.
Thursday
Mostly sunny, with a high near 56. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 34 mph.
Thursday Night
Partly cloudy, with a low around 43. Breezy, with a west wind 14 to 22 mph, with gusts as high as 34 mph.
Friday
A 40 percent chance of rain, mainly after 11am. Mostly sunny, with a high near 54. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Friday Night
Rain likely before 11pm, then rain likely, possibly mixed with snow. Snow level 8800 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 41. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 29.
Monday
A slight chance of snow. Partly sunny, with a high near 46.
Monday Night
A chance of rain and snow. Snow level 5900 feet. Mostly cloudy, with a low around 33.
Tuesday
Rain and snow. Snow level 6200 feet rising to 6800 feet in the afternoon. Partly sunny, with a high near 42. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mt Jefferson OR
 44.67°N 121.68°W (Elev. 5771 ft)
4:20 am PDT Mar 18, 2026
9am PDT Mar 18, 2026-6pm PDT Mar 24, 2026
 
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Additional Resources

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