| NWS Forecast for: Cascades of Whatcom and Skagit Counties Issued by: National Weather Service Seattle, WA Last Update: 237 PM PDT Tue May 12 2026 |  |
| Tonight: Mostly cloudy. A chance of rain and snow after midnight. Snow level near 10000 feet. No snow accumulation. Wednesday: A slight chance of snow in the morning. Rain through the day. Snow in the afternoon. Snow level near 8000 feet decreasing to 6000 feet in the afternoon. Rainfall amounts a half inch to one inch possible. No snow accumulation. Wednesday Night: Rain and snow likely in the evening, then rain and snow late in the evening. Rain and snow likely after midnight. Snow level near 5000 feet. Rainfall amounts a tenth to a quarter of an inch possible. No snow accumulation. Thursday: Rain and snow likely. Snow level near 4500 feet. Rainfall amounts less than a tenth of an inch likely. Thursday Night: Rain and snow in the evening, then rain and snow likely after midnight. Snow level near 4500 feet. Rainfall amounts a quarter to a half inch possible. Friday: Rain and snow likely in the morning, then showers, snow showers and a slight chance of thunderstorms in the afternoon. Snow level near 4000 feet. Friday Night: Showers, snow showers and a slight chance of thunderstorms in the evening, then rain and snow after midnight. Snow level near 3500 feet. Saturday: Rain and snow. Snow level near 3500 feet. Saturday Night: Mostly cloudy with a slight chance of rain and snow. Snow level near 4000 feet. Sunday: Partly sunny. A slight chance of rain and snow in the afternoon. Snow level near 4500 feet in the afternoon. Sunday Night: Mostly cloudy. Freezing level near 6000 feet. Monday: Partly sunny. A slight chance of rain and snow in the morning, then a chance of rain and snow in the afternoon. Snow level near 5000 feet. Monday Night: Mostly cloudy. A slight chance of rain and snow in the evening, then a chance of rain and snow after midnight. Snow level near 5500 feet. Tuesday: Mostly sunny with a slight chance of rain and snow. Snow level near 5500 feet. | |
| Zone Forecast: Cascades of Whatcom and Skagit Counties | |
Visit your local NWS office at: https://www.weather.gov/sew |