| NWS Forecast for: Lower Chehalis River Valley Issued by: National Weather Service Seattle, WA Last Update: 230 AM PDT Thu Jul 31 2025 |  |
| Today: Partly sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind becoming west 10 to 15 mph in the afternoon. Tonight: Mostly cloudy. Lows in the lower to mid 50s. West wind 10 to 15 mph decreasing to 10 mph or less after midnight. Friday: Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 60s to mid 70s. Light wind becoming west around 10 mph in the afternoon. Friday Night: Partly cloudy. Lows in the lower to mid 50s. West wind to 10 mph. Gusts to 20 mph in the evening. Saturday: Mostly sunny. Highs in the upper 60s to mid 70s. Light wind becoming west around 10 mph in the afternoon. Saturday Night: Mostly clear in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Sunday: Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 60s to lower 70s. Sunday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Monday: Mostly cloudy. Highs in the mid to upper 60s. Monday Night: Mostly cloudy. Lows in the lower to mid 50s. Tuesday: Mostly cloudy with a slight chance of showers. Highs in the mid 60s to lower 70s. Tuesday Night: Mostly cloudy with a slight chance of showers. Lows in the mid to upper 50s. Wednesday: Patchy fog in the morning. Mostly cloudy with a chance of showers. Highs in the mid to upper 60s. | |
| Zone Forecast: Lower Chehalis River Valley | |
Visit your local NWS office at: https://www.weather.gov/sew |