National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

SISTERS (K6K5)

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

NA

57°F

14°C

Humidity 58%
Wind Speed NA 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 06 Sep 04:55 PM PDT
Extended Forecast for

2 Miles SSE Sisters OR

  • This Afternoon

    This Afternoon: A 30 percent chance of showers. Partly sunny, with a steady temperature around 56. North wind around 5 mph.

    High: 56 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 38. Calm wind becoming west around 5 mph.

    Low: 38 °F

    Chance
    Showers then
    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 68. Calm wind.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Partly sunny, with a steady temperature around 56. North wind around 5 mph.
Tonight
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 38. Calm wind becoming west around 5 mph.
Labor Day
Sunny, with a high near 68. Calm wind.
Monday Night
Mostly clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 72.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
A slight chance of showers. Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Sisters OR
 44.27°N 121.54°W (Elev. 3205 ft)
Last Update:
3:01 pm PDT Sep 6, 2026
Forecast Valid:
5pm PDT Sep 6, 2026-6pm PDT Sep 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation