Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

28°F

-2°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Last update 15 Mar 02:55 AM PDT
Extended Forecast for

8 Miles SW Sisters OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow between 11am and 2pm, then a chance of rain.  Snow level rising to 8600 feet in the afternoon. Mostly cloudy, with a high near 49. Calm wind.  Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 8pm.  Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Southwest wind 3 to 5 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain.  Mostly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Partly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. Calm wind.
Sunday
A slight chance of rain and snow between 11am and 2pm, then a chance of rain. Snow level rising to 8600 feet in the afternoon. Mostly cloudy, with a high near 49. Calm wind. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of rain before 8pm. Mostly cloudy, with a low around 38. Calm wind.
Monday
Partly sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. Southwest wind 3 to 5 mph.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 63.
Wednesday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 43.
Thursday
A slight chance of rain. Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Sisters OR
 44.19°N 121.64°W (Elev. 4800 ft)
2:30 am PDT Mar 15, 2026
3am PDT Mar 15, 2026-6pm PDT Mar 21, 2026
 
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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