Live from Lone Fir Resort’s onsite weather station, Mt St Helens weather! Planning your next adventure to Mount St. Helens? Stay up to date with today’s conditions and the latest weather forecast for the mountain and surrounding areas near Cougar. From sunny hiking days to changing mountain conditions, this page helps you prepare for every season in the Pacific Northwest.

It’s important to keep in mind that mountain weather like Mt St Helens weather, can change quickly, especially at higher elevations. Visitors should be prepared for cooler temperatures, rain, wind, and reduced visibility even when lower elevations near Cougar feel mild and comfortable. Checking the forecast before heading out is always recommended. Spring and early summer conditions can still include snow and rapidly changing weather near the summit.

Popular Activities Near Mount St. Helens

• Scenic drives and volcano viewpoints
• Hiking and backpacking trails
• Ape Caves lava tube exploration
• Wildlife and wildflower viewing
• Photography and sightseeing
• Camping and outdoor recreation

Before traveling into the monument area, visitors should also monitor road conditions, trail updates, and weather advisories from the National Weather Service and the Gifford Pinchot National Forest.