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

27°F

-3°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 15 Mar 01:55 AM PDT
Extended Forecast for

6 Miles SSW Sisters OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm.  Snow level rising to 8500 feet in the afternoon. Mostly cloudy, with a high near 52. Calm wind.  Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 8pm.  Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. Calm wind becoming west around 5 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. West wind around 5 mph becoming calm.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. Calm wind.
Sunday
A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Snow level rising to 8500 feet in the afternoon. Mostly cloudy, with a high near 52. Calm wind. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of rain before 8pm. Mostly cloudy, with a low around 37. Calm wind.
Monday
Partly sunny, with a high near 64. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 40. West wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
A slight chance of rain. Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Sisters OR
 44.22°N 121.59°W (Elev. 3799 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

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Hourly Weather Forecast

National Digital Forecast Database