| NWS Forecast for: Middle Chehalis River Valley Issued by: National Weather Service Seattle, WA Last Update: 130 PM PST Thu Jan 1 2026 | |
| Tonight: Mostly cloudy with a chance of rain in the evening, then rain after midnight. Rainfall amounts a quarter to a half inch possible. Lows near 40. Light wind. Friday: A chance of rain in the morning, then rain at times in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs near 50. Light wind. Friday Night: Rain at times. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the lower to mid 40s. Light wind becoming east to 10 mph after midnight. Saturday: Rain. Rainfall amounts a quarter to a half inch possible. Highs in the lower to mid 50s. East wind to 10 mph becoming southeast in the afternoon. Saturday Night: Rain. Rainfall amounts a half inch to one inch possible. Lows in the lower to mid 40s. East wind around 10 mph becoming south after midnight. Sunday: Rain at times. Highs near 50. Sunday Night: Rain at times. Lows near 40. Monday: Mostly cloudy with rain likely in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the upper 40s. Monday Night: Mostly cloudy with a chance of rain. Lows in the mid to upper 30s. Tuesday: Rain likely. Highs in the mid to upper 40s. Tuesday Night: Rain at times. Lows in the mid to upper 30s. Wednesday: Rain at times. Highs in the mid to upper 40s. Wednesday Night: Rain likely in the evening, then rain and snow likely after midnight. Lows in the lower 30s. Thursday: Partly sunny. A chance of rain and snow in the morning, then a chance of rain in the afternoon. Snow level near 1500 feet. Highs in the mid 40s. | |
| Zone Forecast: Middle Chehalis River Valley | |
Visit your local NWS office at: https://www.weather.gov/sew |