National Weather Service

News Headlines

New Version of Climate Plots Arrives May 1, 2026: Early Access Now Available Under "Climate Graphs and Charts"
SCN26-34: Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices: Effective May 6, 2026

Current conditions at

SISTERS (K6K5)

Lat: 44.30445° N Lon: 121.53909° W Elev: 3168.0 ft.

43°F

6°C

Humidity	81%
Wind Speed	N 0 MPH
Barometer	29.7 in (1005.76 mb)
Dewpoint	37°F (3°C)
Visibility	NA
Last update	11 Apr 06:55 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

East Slopes of the Oregon Cascades

Today

A chance of rain and high mountain snow in the morning, then rain showers and a chance of thunderstorms in the afternoon. No high mountain snow accumulation. Highs in the mid 40s to mid 50s, except in the mid to upper 50s valleys. Chance of precipitation near 100 percent.

Tonight

Rain showers, high mountain snow and a chance of thunderstorms in the evening, then a chance of rain and high mountain snow overnight. No high mountain snow accumulation. Lows in the 30s. Chance of precipitation near 100 percent.

Sunday

A chance of rain and high mountain snow in the morning, then rain and high mountain snow in the afternoon. High mountain snow accumulation up to 1 inch. Highs in the lower 40s to lower 50s. Gusts up to 20 mph in the afternoon. Chance of precipitation near 100 percent.

Sunday Night

Rain and high mountain snow. Light high mountain snow accumulations. Lows in the upper 20s to upper 30s. Chance of precipitation near 100 percent.

Monday

Rain and mountain snow. Snow level 4000 feet. Highs in the mid 30s to mid 40s, except in the mid 40s to lower 50s valleys. Chance of precipitation 90 percent.

Monday Night And Tuesday

Mostly cloudy with a 50 percent chance of rain and mountain snow. Lows in the mid 20s to mid 30s. Highs in the upper 30s to upper 40s.

Tuesday Night

Rain and mountain snow. Moderate mountain snow accumulations possible. Lows in the upper 20s to mid 30s. Chance of precipitation 90 percent.

Wednesday

Rain and mountain snow. Moderate mountain snow accumulations possible. Highs in the lower 30s to lower 40s, except in the lower to mid 40s valleys. Chance of precipitation near 100 percent.

Wednesday Night And Thursday

Mostly cloudy with a 50 percent chance of snow. Lows in the 20s. Highs in the lower 30s to lower 40s, except in the 40s valleys.

Thursday Night And Friday

Mostly clear. A 20 percent chance of snow. Lows in the lower to mid 20s. Highs in the lower 40s to lower 50s.