| NWS Forecast for: Middle Chehalis River Valley Issued by: National Weather Service Seattle, WA Last Update: 236 AM PDT Mon Jul 6 2026 |  |
| Today: Sunny. Highs in the upper 70s to mid 80s. Light wind becoming west to 10 mph in the afternoon. Tonight: Mostly clear in the evening then becoming mostly cloudy. Lows in the mid to upper 40s. West wind around 10 mph with gusts to 20 mph becoming southwest to 10 mph after midnight. Tuesday: Mostly cloudy. Highs in the upper 60s to mid 70s. Light wind becoming west around 10 mph with gusts to 20 mph in the afternoon. Tuesday Night: Mostly cloudy. Lows in the lower to mid 50s. West wind 10 to 15 mph. Wednesday: Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 60s to mid 70s. West wind 10 to 15 mph. Wednesday Night: Partly cloudy. Lows in the mid 40s. Thursday: Mostly sunny. Highs in the lower to mid 70s. Thursday Night: Partly cloudy. Lows in the upper 40s. Friday: Mostly cloudy. Highs near 70. Friday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Saturday: Partly sunny. Highs near 70. Saturday Night: Partly cloudy. Lows in the mid to upper 40s. Sunday: Mostly sunny. Highs in the mid 70s to lower 80s. | |
| Zone Forecast: Middle Chehalis River Valley | |
Visit your local NWS office at: https://www.weather.gov/sew |