Lower Columbia River- Including the cities of Scappoose, St. Helens, Rainier, and Clatskanie 829 PM PDT Sun Apr 28 2024 .TONIGHT...Mostly cloudy with a slight chance of thunderstorms. Scattered rain showers this evening, then rain showers after midnight. Patchy fog after midnight. Some thunderstorms may produce small hail. Lows around 40. Southwest wind 5 to 10 mph. Chance of rain 90 percent. Rainfall amounts a tenth to a quarter of an inch, except higher amounts possible in thunderstorms. .MONDAY...Patchy fog in the morning. Numerous rain showers with a slight chance of thunderstorms. Some thunderstorms may produce small hail. Highs in the mid 50s. West wind 5 to 10 mph. Chance of rain 70 percent. Rainfall amounts around a tenth of an inch, except higher amounts possible in thunderstorms. .MONDAY NIGHT...Scattered rain showers with a slight chance of thunderstorms in the evening, then rain showers after midnight. Patchy fog after midnight. Some thunderstorms may produce small hail in the evening. Lows in the upper 30s. Southwest wind 5 to 10 mph, becoming light after midnight. Chance of rain near 100 percent. Rainfall amounts a tenth to a quarter of an inch, except higher amounts possible in thunderstorms. .TUESDAY...A slight chance of thunderstorms. Rain showers. Some thunderstorms may produce small hail. Highs in the upper 50s. Winds light. Chance of rain 90 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of rain showers in the evening. Lows in the upper 30s. Winds light. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the mid 60s. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s. .THURSDAY...Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the mid 60s. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows in the lower 40s. .FRIDAY...Mostly sunny with a 20 percent chance of showers. Highs in the lower 70s. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s. .SATURDAY...Partly sunny with a 50 percent chance of showers. Highs in the upper 60s. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s. .SUNDAY...Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s. && TEMPERATURE Scappoose 41 56 40 57 St Helens 41 55 40 57 Clatskanie 39 51 39 54 $$