| NWS Forecast for: Foothills and Valleys of the North Cascades Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Sat Sep 19 2026 |  |
| Today: Mostly sunny. Highs in the upper 60s to mid 70s. Light wind. Tonight: Mostly clear. Lows near 50. Light wind. Sunday: Mostly sunny. Highs in the 70s. Light wind. Sunday Night: Mostly clear. Lows near 50. Light wind. Monday: Mostly sunny. Highs near 70. Light wind. Monday Night: Partly cloudy. Lows near 50. Tuesday: Partly sunny. Highs in the upper 60s. Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows near 50. Wednesday: Partly sunny. A slight chance of showers in the afternoon. Highs in the mid to upper 60s. Wednesday Night: Mostly cloudy with a slight chance of showers. Lows near 50. Thursday: Mostly cloudy. Highs in the mid to upper 60s. Thursday Night: Mostly cloudy with a slight chance of showers. Lows in the upper 40s. Friday: Partly sunny. A chance of showers in the morning, then a slight chance of showers in the afternoon. Highs in the mid 60s. | |
| Zone Forecast: Foothills and Valleys of the North Cascades | |
Visit your local NWS office at: https://www.weather.gov/sew |