Weather WorldMerrill Lake, WA 7-Day Night Weather Forecast
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Merrill Lake, WA Weather Forecast
Merrill Lake, WA Weather Forecast Date: 201 AM PDT Thu Aug 06 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.
Rest of Tonight... Mostly clear. Areas of smoke. Free air freezing level 16000 feet. Winds light.
Thursday... Sunny. Patchy smoke. Free air freezing level 16000 feet. West wind 5 to 10 mph.
Thursday Night... Patchy smoke in the evening. Mostly clear. Free air freezing level 16000 feet. Winds light.
Friday... Sunny. Free air freezing level 16000 feet. West wind 5 to 10 mph.
Friday Night... Mostly clear. Free air freezing level 16000 feet. Northwest wind 5 to 10 mph.
Saturday... Sunny. Free air freezing level 15000 feet.
Saturday Night... Mostly clear. Free air freezing level 15000 feet.
Sunday... Sunny. Free air freezing level 15000 feet.
Sunday Night... Mostly clear. Free air freezing level 15000 feet.
Monday... Sunny. Free air freezing level 15000 feet.
Monday Night... Mostly clear. Free air freezing level 15000 feet.
Tuesday... Sunny. Free air freezing level 15000 feet.
Tuesday Night... Mostly clear. Free air freezing level 15000 feet.
POP = Probability of Precipitation
Merrill Lake Radar Loop
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