Expires:202512220000;;963866 FPUS56 KSEW 210931 ZFPSEW Zone Forecast Product for Western Washington National Weather Service Seattle WA 130 AM PST Sun Dec 21 2025 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Monday. WAZ318-220000- Lowlands of of Lewis and Southern Thurston Counties- Including the cities of Chehalis, Toldeo, and Centralia 130 AM PST Sun Dec 21 2025 .TODAY...Mostly cloudy with a chance of rain showers until late afternoon, then cloudy with rain showers late in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the mid to upper 40s. South wind 10 to 15 mph decreasing to 10 mph or less in the afternoon. .TONIGHT...Showers in the evening, then showers likely after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the mid to upper 30s. South wind to 10 mph. .MONDAY...Rain showers likely in the morning, then rain at times in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the mid to upper 40s. South wind 10 to 20 mph with gusts to 30 mph. .MONDAY NIGHT...Rain in the evening, then rain likely after midnight. Rainfall amounts a quarter to a half inch possible. Lows in the mid to upper 30s. South wind 10 to 15 mph with gusts to 25 mph. .TUESDAY...Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Highs in the mid to upper 40s. South wind to 10 mph in the morning becoming light. .TUESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Lows in the mid 30s. .WEDNESDAY...Mostly cloudy with a chance of rain. Highs in the lower to mid 40s. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain. Lows in the lower to mid 30s. .CHRISTMAS DAY...Mostly cloudy with a chance of rain. Highs in the lower to mid 40s. .THURSDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the mid 30s. .FRIDAY...Mostly cloudy with a chance of rain. Highs in the mid to upper 40s. .FRIDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the mid 30s. .SATURDAY...Mostly cloudy with a chance of rain. Highs in the mid to upper 40s. && TEMPERATURE / PRECIPITATION Chehalis 46 39 47 / 90 90 90 $$