Weather WorldO Conner Lake, WA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
O Conner Lake, WA Weather Forecast
O Conner Lake, WA Weather Forecast Date: 202 PM PDT Thu Aug 13 2026
The area/counties/county of: South Washington Cascades, including the cities of: Mt. St. Helens, Larch Mountain, and Indian Heaven Wilderness.or toggle through each period.
This Afternoon... Mostly sunny with a chance of showers with a slight chance of thunderstorms. Areas of smoke. Winds light. Chance of rain 50%. Rainfall amounts less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Patchy smoke. Free air freezing level 12000 feet. Winds light.
Friday... Mostly sunny. Patchy smoke. A slight chance of thunderstorms in the afternoon. Free air freezing level 11000 feet, increasing to free air freezing level 12000 feet in the afternoon. Winds light. Chance of precipitation 20%.
Friday Night... Partly cloudy in the evening, then becoming mostly cloudy. Patchy smoke. Free air freezing level 12000 feet, increasing to free air freezing level 13000 feet after midnight. Winds light.
Saturday... Mostly sunny. Free air freezing level 12000 feet. West wind 5 to 10 mph.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Free air freezing level 13000 feet.
Sunday... Mostly sunny. Free air freezing level 13000 feet.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. Free air freezing level 14000 feet.
Monday... Partly sunny. Free air freezing level 14000 feet.
Monday Night... Partly cloudy. Free air freezing level 13000 feet.
Tuesday... Mostly sunny. Free air freezing level 13000 feet.
Tuesday Night... Partly cloudy. Free air freezing level 13000 feet.
POP = Probability of Precipitation
O Conner Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...